Tuesday, January 8, 2013

U.S. Record Warmest Year Confirmed by Unprecedented Margin



Midnight Update: The standard deviation of the U.S. annual average temperatures is 0.92, so the new record exceeds the old one by over 1 standard deviation. It's also more than 3.4 standard deviations from the average. According to a public domain table of the normal distribution, the odds of this are 0.0003369. If the distribution were truly random (hint, it ain't), this would be a once in 2968 year event.

Original Post:
The National Climatic Data Center's preliminary report, released within the last hour, confirms that 2012 was the record warmest year for the U.S. by an incredible margin of 1.0°F. All 48 contiguous states were warmer than average for the year, 19 had record warm years, and 26 more had top 10 warmest years. At least 356 individual locations tied or broke their all-time record high temperatures. This included at least one location in every state except Washington.

The NCDC chart of year-to-date temperatures (click to enlarge) to the right shows that the extremely warm January and March put 2012 firmly in first place for warmest year and the wide margin was maintained through December.

The chart of warmest 12-month periods shows that 10 of the top 12 ended in 2012.

From the NCDC report:
In 2012, the contiguous United States (CONUS) average annual temperature of 55.3°F was 3.3°F above the 20th century average, and was the warmest year in the 1895-2012 period of record for the nation. The 2012 annual temperature was 1.0°F warmer than the previous record warm year of 1998. Since 1895, the CONUS has observed a long-term temperature increase of about 0.13°F per decade.

On a statewide and seasonal level, 2012 was a year of both temperature and precipitation extremes for the United States. Each state in the CONUS had annual temperatures which were above average. Nineteen states, stretching from Utah to Massachusetts, had annual temperatures which were record warm. An additional 26 states had one of their 10 warmest years. Only Georgia (11th warmest year), Oregon (12th warmest), and Washington (30th warmest) had annual temperatures that were not among the ten warmest in their respective period of records.
The preliminary list of individual all-time records from NCDC:

Date     Location                           Record  Previous/date
25-May   CHILLY BARTON FLAT, ID             100°F   100°F (Jul 24, 2007)
23-Jun   LAMAR MUNI AP, CO                  110°F   109°F (Aug 1, 2008)
23-Jun   COLORADO SPGS MUNI AP, CO          100°F   100°F (Jul 24, 2003)
23-Jun   DENVER CENTENNIAL AP, CO           100°F   100°F (Aug 1, 2008)
23-Jun   RUXTON PARK, CO                    87°F    86°F (Oct 1, 2006)
24-Jun   TRIBUNE 1W, KS                     109°F   108°F (Jul 15, 2000)
24-Jun   HARRISBURG 12WNW, NE               105°F   105°F (Jul 16, 2006)
24-Jun   JUNEAU DWTN, AK                    87°F    87°F (Jun 21, 1991)
25-Jun   NORTON DAM, KS                     113°F   111°F (Jul 7, 1991)
25-Jun   COLBY 1SW, KS                      112°F   110°F (Jun 25, 1971)
25-Jun   TRIBUNE 1W, KS                     111°F   109°F (1 day prior)
25-Jun   OAKLEY 4W, KS                      111°F   111°F (Jul 11, 1954)
25-Jun   SIDNEY MUNICIPAL AIRPORT, NE       109°F   107°F (Jul 16, 2006)
25-Jun   DENVER INTL AP, CO                 105°F   105°F (Jul 20, 2005)
25-Jun   KARVAL, CO                         103°F   103°F (Jul 24, 2005)
25-Jun   DENVER CENTENNIAL AP, CO           100°F   100°F (2 days prior)
26-Jun   MC COOK, NE                        115°F   114°F (Jul 20, 1932)
26-Jun   LAMAR MUNI AP, CO                  111°F   110°F (2 days prior)
26-Jun   SIDNEY MUNICIPAL AIRPORT, NE       111°F   109°F (1 day prior)
26-Jun   CEDAR BLUFF DAM, KS                110°F   110°F (Jul 15, 2003)
26-Jun   DODGE CITY RGNL AP, KS             110°F   110°F (Jun 26, 2011)
26-Jun   JUNCTION FAA AP, TX                108°F   108°F (Aug 28, 2011)
26-Jun   DENVER INTL AP, CO                 105°F   105°F (1 day prior)
26-Jun   WHEAT RIDGE 2, CO                  103°F   103°F (Jul 1, 1990)
26-Jun   COLORADO SPGS MUNI AP, CO          101°F   100°F (2 days prior)
26-Jun   EVERGREEN, CO                      97°F    96°F (Jul 9, 2003)
27-Jun   BENKELMAN, NE                      114°F   114°F (Jul 11, 1954)
27-Jun   LAMAR MUNI AP, CO                  112°F   111°F (1 day prior)
27-Jun   BREWSTER 4W, KS                    112°F   112°F (Jul 21, 2005)
27-Jun   SMITH CTR, KS                      112°F   112°F (Jul 5, 1964)
27-Jun   DODGE CITY RGNL AP, KS             111°F   110°F (1 day prior)
27-Jun   YUMA, CO                           111°F   109°F (Aug 3, 2008)
27-Jun   LAMAR, CO                          111°F   111°F (Jul 14, 1934)
27-Jun   TRENTON DAM, NE                    111°F   111°F (Aug 4, 1954)
27-Jun   TRIBUNE 1W, KS                     111°F   111°F (2 days prior)
27-Jun   HOLYOKE, CO                        110°F   110°F (Jul 11, 1954)
27-Jun   SEDGWICK 5 S, CO                   110°F   110°F (Jul 16, 2006)
27-Jun   GARDEN CITY EXP STA, KS            109°F   109°F (Jun 30, 2011)
27-Jun   EDGEMONT, SD                       108°F   107°F (Jul 16, 2006)
27-Jun   AKRON 4 E, CO                      107°F   107°F (Jul 9, 1989)
27-Jun   PUEBLO RSVR, CO                    107°F   107°F (Jul 21, 2005)
27-Jun   HARRISBURG 12WNW, NE               105°F   105°F (3 days prior)
27-Jun   KARVAL, CO                         104°F   103°F (2 days prior)
28-Jun   NORTON DAM, KS                     118°F   113°F (3 days prior)
28-Jun   COLBY 1SW, KS                      113°F   112°F (3 days prior)
28-Jun   SMITH CTR, KS                      113°F   112°F (1 day prior)
28-Jun   GARDEN CITY EXP STA, KS            112°F   109°F (1 day prior)
28-Jun   WALLACE, KS                        112°F   112°F (Jul 20, 1917)
28-Jun   JOHN MARTIN DAM, CO                111°F   111°F (Aug 4, 2008)
28-Jun   LAMAR, CO                          111°F   111°F (1 day prior)
28-Jun   OAKLEY 4W, KS                      111°F   111°F (3 days prior)
28-Jun   TRIBUNE 1W, KS                     111°F   111°F (1 day prior)
28-Jun   LA JUNTA 20 S, CO                  109°F   109°F (Jun 27, 1994)
28-Jun   CAHOKIA ST LOUIS AP, IL            107°F   106°F (Sep 5, 1990)
28-Jun   EVANSVILLE REGIONAL AP, IN         107°F   105°F (Jul 14, 1954)
28-Jun   CARBONDALE SOUTHERN IL AP, IL      106°F   105°F (Jul 22, 1983)
28-Jun   MUNCIE BALL STATE UNIV, IN         106°F   102°F (Jun 26, 1988)
28-Jun   FORT WAYNE AP, IN                  106°F   106°F (Jun 25, 1988)
28-Jun   RICHMOND WTR WKS, IN               104°F   100°F (Sep 3, 2011)
28-Jun   INDIANAPOLIS INTL AP, IN           104°F   104°F (Jul 14, 1954)
28-Jun   BLOOMINGTON MONROE CO AP, IN       103°F   102°F (Jul 31, 1999)
28-Jun   DAYTON WSO AP, OH                  102°F   102°F (Aug 17, 1988)
28-Jun   PONTIAC OAKLAND CO INTL AP, MI     99°F    98°F (Jul 21, 2011)
29-Jun   COLUMBIA UNIV OF SC, SC            113°F   109°F (Aug 11, 2007)
29-Jun   FESTUS, MO                         111°F   110°F (Jul 16, 1980)
29-Jun   RICHFIELD, KS                      111°F   111°F (Jun 27, 2011)
29-Jun   PERRYVILLE WTP, MO                 110°F   109°F (Aug 3, 1964)
29-Jun   CEDAR BLUFF DAM, KS                110°F   110°F (3 days prior)
29-Jun   ATHENS BEN EPPS AP, GA             109°F   107°F (Aug 21, 1983)
29-Jun   COLUMBIA METRO AP, SC              109°F   107°F (Aug 10, 2007)
29-Jun   NASHVILLE ASOS, TN                 109°F   107°F (Jul 28, 1952)
29-Jun   DORA 1N, MO                        109°F   109°F (Jul 6, 1966)
29-Jun   KASKASKIA RVR NAV LOCK, IL         109°F   109°F (Aug 17, 1988)
29-Jun   PADUCAH BARKLEY AP, KY             108°F   106°F (Jul 28, 1952)
29-Jun   TERRE HAUTE INDIANA ST, IN         108°F   104°F (Sep 6, 1954)
29-Jun   CAPE GIRARDEAU FAA AP, MO          107°F   105°F (Jul 15, 1980)
29-Jun   CARBONDALE SOUTHERN IL AP, IL      107°F   106°F (1 day prior)
29-Jun   FAYETTEVILLE WTP, TN               107°F   105°F (Aug 23, 2007)
29-Jun   NEW CASTLE 3 SW, IN                107°F   103°F (Jun 26, 1988)
29-Jun   PROVIDENCE, KY                     107°F   106°F (Aug 17, 2007)
29-Jun   VINCENNES 5 NE, IN                 107°F   104°F (Jun 26, 1988)
29-Jun   BANKHEAD LOCK & DAM, AL            107°F   107°F (Jul 8, 1977)
29-Jun   EVANSVILLE REGIONAL AP, IN         107°F   107°F (1 day prior)
29-Jun   MUSCLE SHOALS AP, AL               107°F   107°F (Aug 15, 2007)
29-Jun   CHEATHAM   , TN                    106°F   105°F (Aug 23, 1983)
29-Jun   HUNTINGTON, IN                     106°F   105°F (Jun 26, 1988)
29-Jun   HUNTSVILLE INTL AP, AL             106°F   105°F (Aug 16, 2007)
29-Jun   CHATTANOOGA AP, TN                 106°F   106°F (Jul 28, 1952)
29-Jun   COLUMBUS METO AP., GA              105°F   104°F (Aug 10, 2007)
29-Jun   LONDON FAA AP, KY                  105°F   102°F (Aug 16, 2007)
29-Jun   GADSDEN, AL                        105°F   105°F (Aug 16, 1954)
29-Jun   GRNVL SPART INTL AP, SC            105°F   105°F (Aug 10, 2007)
29-Jun   QUANTICO MCAS, VA                  105°F   105°F (Sep 7, 1954)
29-Jun   RALEIGH AP, NC                     105°F   105°F (Aug 21, 2007)
29-Jun   JACKSON WSO, KY                    104°F   101°F (Aug 18, 1988)
29-Jun   CARLYLE RSVR, IL                   104°F   104°F (Aug 16, 2007)
29-Jun   CHARLOTTE DOUGLAS AP, NC           104°F   104°F (Aug 10, 2007)
29-Jun   SPARTA WASTEWATER PLANT, TN        104°F   104°F (Jul 17, 1980)
29-Jun   ATLANTA PEACHTREE AP, GA           103°F   102°F (Aug 22, 2007)
29-Jun   TIPTON 5 SW, IN                    103°F   98°F (Jul 22, 2011)
29-Jun   BLOOMINGTON MONROE CO AP, IN       103°F   103°F (1 day prior)
29-Jun   HUNTINGTON TRI ST AP, WV           103°F   103°F (Aug 16, 2007)
29-Jun   WARSAW, IN                         103°F   103°F (Jul 14, 1976)
29-Jun   CROSSVILLE AP, TN                  102°F   101°F (Jul 16, 1980)
29-Jun   BRISTOL AP, TN                     102°F   102°F (Jul 29, 1952)
29-Jun   PITTSBURGH ALLEGHENY AP, PA        99°F    99°F (Aug 27, 1948)
29-Jun   BLUEFIELD MERCER CO AP, WV         97°F    96°F (Jul 16, 1988)
29-Jun   BECKLEY RALEIGH COUNTY AP, WV      96°F    96°F (Aug 17, 1988)
30-Jun   JOHNSTON 4 SW, SC                  113°F   110°F (Aug 11, 2007)
30-Jun   REIDSVILLE 2 NW, NC                110°F   103°F (Aug 19, 1988)
30-Jun   SIKESTON PWR STN, MO               110°F   107°F (Jul 17, 1980)
30-Jun   WOODBURY 1 WNW, TN                 110°F   109°F (Aug 17, 2007)
30-Jun   KINGSTON SPRINGS, TN               109°F   108°F (Aug 16, 2007)
30-Jun   SANDHILL RSCH ELGIN, SC            109°F   106°F (Aug 8, 2007)
30-Jun   COLUMBIA 3 WNW, TN                 109°F   109°F (Jul 28, 1952)
30-Jun   COLUMBIA METRO AP, SC              109°F   109°F (1 day prior)
30-Jun   SALUDA, SC                         109°F   109°F (Jul 14, 1980)
30-Jun   CHEATHAM   , TN                    108°F   106°F (1 day prior)
30-Jun   SPARTA WASTEWATER PLANT, TN        108°F   104°F (1 day prior)
30-Jun   MACON MIDDLE GA AP, GA             108°F   108°F (Jul 13, 1980)
30-Jun   MAMMOTH CAVE, KY                   108°F   108°F (Jul 27, 1952)
30-Jun   BARREN RIVER LAKE, KY              107°F   106°F (Jul 10, 1988)
30-Jun   CHATTANOOGA AP, TN                 107°F   106°F (1 day prior)
30-Jun   MARTIN U OF T BRANCH E, TN         107°F   106°F (Aug 18, 2007)
30-Jun   ROME WSO AP, GA                    107°F   106°F (Jul 17, 1980)
30-Jun   MUSCLE SHOALS AP, AL               107°F   107°F (1 day prior)
30-Jun   SANDERSVILLE, GA                   107°F   107°F (Jul 22, 1986)
30-Jun   SELMER, TN                         107°F   107°F (Aug 16, 2007)
30-Jun   ATLANTA HARTSFIELD AP, GA          106°F   105°F (Jul 17, 1980)
30-Jun   CELINA, TN                         106°F   105°F (Jul 17, 1980)
30-Jun   COLUMBUS METO AP., GA              106°F   105°F (1 day prior)
30-Jun   PORTLAND SEWAGE PLT, TN            106°F   105°F (Aug 17, 2007)
30-Jun   PULASKI WWTP, TN                   106°F   105°F (Jul 17, 1980)
30-Jun   ROANOKE RAPIDS, NC                 106°F   104°F (Aug 10, 2007)
30-Jun   SMITHLAND   , IL                   106°F   104°F (Aug 17, 2007)
30-Jun   ST LOUIS SCI CTR, MO               106°F   105°F (Jul 30, 1999)
30-Jun   BARBOURVILLE, KY                   106°F   106°F (Sep 5, 1954)
30-Jun   CAIRO 3N, IL                       106°F   106°F (Aug 9, 1930)
30-Jun   FARMVILLE 2 N, VA                  106°F   106°F (Sep 1, 1932)
30-Jun   RUSSELLVILLE NO 2, AL              106°F   106°F (Aug 16, 2007)
30-Jun   SPRINGFIELD EXP STN, TN            106°F   106°F (Aug 17, 2007)
30-Jun   STONY CREEK 2 N, VA                106°F   106°F (Aug 23, 1983)
30-Jun   ATLANTA PEACHTREE AP, GA           105°F   103°F (1 day prior)
30-Jun   KNOXVILLE AP, TN                   105°F   104°F (Jul 12, 1930)
30-Jun   LOGAN, WV                          105°F   104°F (Jul 15, 1954)
30-Jun   MONTICELLO 3 NE, KY                105°F   103°F (Aug 18, 1988)
30-Jun   PHILPOTT DAM 2, VA                 105°F   102°F (Aug 22, 1983)
30-Jun   SMITHVILLE 2 SE, TN                105°F   104°F (Jul 17, 1980)
30-Jun   TAPOCO, NC                         105°F   103°F (Jun 17, 1944)
30-Jun   BROOKPORT DAM 52, IL               105°F   105°F (Jul 30, 1999)
30-Jun   CLEVELAND FLTR PLT, TN             105°F   105°F (Jul 17, 1980)
30-Jun   RALEIGH AP, NC                     105°F   105°F (1 day prior)
30-Jun   AMELIA COURTHOUSE 1, VA            104°F   102°F (Jul 6, 1999)
30-Jun   CARLYLE RSVR, IL                   104°F   104°F (1 day prior)
30-Jun   CHARLOTTE DOUGLAS AP, NC           104°F   104°F (1 day prior)
30-Jun   DALLAS 7 NE, GA                    104°F   104°F (Aug 23, 2007)
30-Jun   DRESDEN, TN                        104°F   104°F (Aug 17, 2007)
30-Jun   WEST PELZER 2 W, SC                104°F   104°F (Jul 21, 1986)
30-Jun   BAXTER, KY                         103°F   101°F (Aug 22, 1983)
30-Jun   BRISTOL AP, TN                     103°F   102°F (1 day prior)
30-Jun   MONTEREY, TN                       103°F   100°F (Jul 29, 1952)
30-Jun   TAZEWELL, TN                       103°F   102°F (Aug 22, 1983)
30-Jun   WATERVILLE 2, NC                   103°F   101°F (Jul 10, 1936)
30-Jun   CAMP PICKETT, VA                   103°F   103°F (Jul 27, 2010)
30-Jun   JAMESTOWN WWTP, KY                 103°F   103°F (Jul 17, 1980)
30-Jun   LEXINGTON BLUEGRASS AP, KY         103°F   103°F (Jul 30, 1999)
30-Jun   HELEN, GA                          102°F   100°F (Jul 20, 1986)
30-Jun   W KERR SCOTT RSVR, NC              102°F   102°F (Aug 19, 1988)
30-Jun   ERWIN 1 W, TN                      101°F   101°F (Aug 21, 1983)
30-Jun   PULASKI 2 E, VA                    99°F    99°F (Jul 18, 1986)
30-Jun   PISGAH FOREST 3 NE, NC             98°F    98°F (Jun 23, 1964)
30-Jun   WYTHEVILLE 1 S, VA                 98°F    98°F (Aug 14, 2010)
30-Jun   BUCKEYE, WV                        97°F    97°F (Jul 23, 2011)
30-Jun   COOPERS ROCK SF, WV                92°F    92°F (Jul 17, 1988)
1-Jul    MILLEDGEVILLE, GA                  110°F   110°F (Aug 20, 1925)
1-Jul    SANTUCK, SC                        110°F   110°F (Sep 4, 1925)
1-Jul    CELINA, TN                         109°F   106°F (1 day prior)
1-Jul    SANDERSVILLE, GA                   109°F   107°F (1 day prior)
1-Jul    SILOAM 3N, GA                      109°F   107°F (Aug 21, 1983)
1-Jul    SALUDA, SC                         109°F   109°F (1 day prior)
1-Jul    BARREN RIVER LAKE, KY              108°F   107°F (1 day prior)
1-Jul    ROME WSO AP, GA                    108°F   107°F (1 day prior)
1-Jul    CARTERSVILLE, GA                   108°F   108°F (Aug 27, 1954)
1-Jul    MACON MIDDLE GA AP, GA             108°F   108°F (1 day prior)
1-Jul    GRNVL SPART INTL AP, SC            107°F   105°F (2 days prior)
1-Jul    CHATTANOOGA AP, TN                 107°F   107°F (1 day prior)
1-Jul    LAURINBURG, NC                     107°F   107°F (Aug 9, 2007)
1-Jul    TAPOCO, NC                         106°F   105°F (1 day prior)
1-Jul    MC MINNVILLE, TN                   106°F   106°F (1 day prior)
1-Jul    ALLATOONA DAM 2, GA                105°F   104°F (Jul 9, 1977)
1-Jul    KNOXVILLE EXP STN, TN              105°F   102°F (Aug 17, 2007)
1-Jul    ATLANTA PEACHTREE AP, GA           105°F   105°F (1 day prior)
1-Jul    CLEVELAND FLTR PLT, TN             105°F   105°F (1 day prior)
1-Jul    GADSDEN, AL                        105°F   105°F (2 days prior)
1-Jul    KNOXVILLE AP, TN                   105°F   105°F (1 day prior)
1-Jul    GREENEVILLE EXP STN, TN            104°F   103°F (Jul 29, 1952)
1-Jul    CHARLOTTE DOUGLAS AP, NC           104°F   104°F (1 day prior)
1-Jul    DALLAS 7 NE, GA                    104°F   104°F (1 day prior)
1-Jul    CARROLLTON, GA                     103°F   103°F (Jul 17, 1980)
1-Jul    JAMESTOWN WWTP, KY                 103°F   103°F (1 day prior)
1-Jul    LEXINGTON BLUEGRASS AP, KY         103°F   103°F (1 day prior)
1-Jul    TAZEWELL, TN                       103°F   103°F (1 day prior)
1-Jul    ERWIN 1 W, TN                      102°F   101°F (1 day prior)
1-Jul    HELEN, GA                          102°F   102°F (1 day prior)
1-Jul    MURPHY, NC                         100°F   99°F (Aug 23, 2007)
1-Jul    PISGAH FOREST 3 NE, NC             98°F    98°F (1 day prior)
2-Jul    LEWISBURG EXP STN, TN              112°F   110°F (Jul 29, 1930)
2-Jul    SILOAM 3N, GA                      110°F   109°F (1 day prior)
2-Jul    WASHINGTON 2 ESE, GA               109°F   109°F (Jun 30, 1952)
2-Jul    BARREN RIVER LAKE, KY              108°F   108°F (1 day prior)
2-Jul    CARTERSVILLE, GA                   108°F   108°F (1 day prior)
2-Jul    ALLATOONA DAM 2, GA                106°F   105°F (1 day prior)
2-Jul    ROCHESTER FERRY, KY                106°F   105°F (Aug 17, 2007)
2-Jul    WEST PELZER 2 W, SC                106°F   104°F (2 days prior)
2-Jul    WAYNE 2, WV                        105°F   105°F (Jul 18, 1986)
2-Jul    DALLAS 7 NE, GA                    104°F   104°F (1 day prior)
2-Jul    GREENEVILLE EXP STN, TN            104°F   104°F (1 day prior)
2-Jul    LA GRANGE 1N, GA                   104°F   104°F (Jul 25, 1952)
2-Jul    CARROLLTON, GA                     103°F   103°F (1 day prior)
2-Jul    OPELIKA, AL                        103°F   103°F (Aug 11, 2007)
2-Jul    MURPHY, NC                         100°F   100°F (1 day prior)
3-Jul    CARTERSVILLE, GA                   108°F   108°F (1 day prior)
3-Jul    LA GRANGE 1N, GA                   104°F   104°F (1 day prior)
3-Jul    CASTLE ROCK, CO                    100°F   99°F (Jul 6, 1973)
4-Jul    BATTLE CREEK 5NW, MI               102°F   101°F (Jun 28, 1971)
4-Jul    LONE ROCK TRI CO, WI               102°F   101°F (Jul 30, 1955)
4-Jul    KALAMAZOO BATTLE CK INTL AP, MI    102°F   102°F (Jul 6, 1988)
4-Jul    PONTIAC OAKLAND CO INTL AP, MI     100°F   99°F (6 days prior)
4-Jul    LANSING CAPITAL CY AP, MI          100°F   100°F (Aug 1, 1988)
5-Jul    CARBONDALE SOUTHERN IL AP, IL      107°F   107°F (6 days prior)
5-Jul    EVANSVILLE REGIONAL AP, IN         107°F   107°F (6 days prior)
5-Jul    MADISON DANE CO AP, WI             104°F   104°F (Jul 10, 1976)
5-Jul    KALAMAZOO BATTLE CK INTL AP, MI    103°F   102°F (1 day prior)
5-Jul    BLOOMINGTON MONROE CO AP, IN       103°F   103°F (6 days prior)
5-Jul    MILWAUKEE MITCHELL AP, WI          103°F   103°F (Jul 13, 1995)
5-Jul    OCONOMOWOC, WI                     102°F   101°F (Aug 17, 1988)
5-Jul    BATTLE CREEK 5NW, MI               102°F   102°F (1 day prior)
5-Jul    LONE ROCK TRI CO, WI               102°F   102°F (1 day prior)
5-Jul    HORICON, WI                        101°F   101°F (Jul 14, 1995)
5-Jul    BEAVER DAM, WI                     100°F   100°F (Aug 17, 1988)
5-Jul    BUCKEYE, WV                        98°F    97°F (5 days prior)
6-Jul    WOODBURY 1 WNW, TN                 110°F   110°F (6 days prior)
6-Jul    CAHOKIA ST LOUIS AP, IL            107°F   107°F (8 days prior)
6-Jul    CARBONDALE SOUTHERN IL AP, IL      107°F   107°F (1 day prior)
6-Jul    CARLYLE RSVR, IL                   105°F   104°F (6 days prior)
6-Jul    INDIANAPOLIS INTL AP, IN           105°F   104°F (8 days prior)
6-Jul    CHICAGO BOTANIC GARDEN, IL         105°F   105°F (Jul 14, 1995)
6-Jul    BLOOMINGTON MONROE CO AP, IN       104°F   103°F (1 day prior)
6-Jul    COVINGTON WSO, KY                  104°F   103°F (Jul 9, 1988)
6-Jul    GERALD R FORD INTL AP, MI          104°F   102°F (Jun 20, 1953)
6-Jul    KALAMAZOO BATTLE CK INTL AP, MI    104°F   103°F (1 day prior)
6-Jul    NORMAL 4NE, IL                     104°F   103°F (Aug 17, 1988)
6-Jul    MONTELLO, WI                       104°F   104°F (Jul 14, 1995)
6-Jul    ROCKFORD AP, IL                    104°F   104°F (Aug 16, 1988)
6-Jul    SOUTH BOSTON, VA                   104°F   104°F (Aug 23, 1983)
6-Jul    BARABOO, WI                        103°F   102°F (Aug 17, 1988)
6-Jul    BATTLE CREEK 5NW, MI               103°F   102°F (1 day prior)
6-Jul    LANSING CAPITAL CY AP, MI          103°F   100°F (2 days prior)
6-Jul    CHENOA, IL                         103°F   103°F (Aug 17, 1988)
6-Jul    LEXINGTON BLUEGRASS AP, KY         103°F   103°F (5 days prior)
6-Jul    BEAVER DAM, WI                     102°F   100°F (1 day prior)
6-Jul    HORICON, WI                        102°F   101°F (1 day prior)
6-Jul    WHITEWATER, WI                     102°F   101°F (Aug 31, 1953)
6-Jul    DAYTON WSO AP, OH                  102°F   102°F (8 days prior)
6-Jul    LONE ROCK TRI CO, WI               102°F   102°F (1 day prior)
6-Jul    WEST CHICAGO DUPAGE AP, IL         100°F   100°F (Jul 24, 2005)
6-Jul    MUSKEGON CO AP, MI                 99°F    99°F (Aug 3, 1964)
6-Jul    STOCKTON 3 NNE, IL                 99°F    99°F (Jul 11, 1989)
7-Jul    CAIRO 3N, IL                       108°F   106°F (7 days prior)
7-Jul    CAHOKIA ST LOUIS AP, IL            107°F   107°F (1 day prior)
7-Jul    BLOOMINGTON MONROE CO AP, IN       106°F   104°F (1 day prior)
7-Jul    QUANTICO MCAS, VA                  106°F   105°F (8 days prior)
7-Jul    LOUISVILLE INTL AP, KY             106°F   106°F (Jul 30, 1999)
7-Jul    ST LOUIS SCI CTR, MO               106°F   106°F (7 days prior)
7-Jul    LEXINGTON BLUEGRASS AP, KY         105°F   103°F (1 day prior)
7-Jul    NORMAL 4NE, IL                     105°F   104°F (1 day prior)
7-Jul    ROCKFORD AP, IL                    105°F   104°F (1 day prior)
7-Jul    INDIANAPOLIS INTL AP, IN           105°F   105°F (1 day prior)
7-Jul    WASHINGTON REAGAN AP, VA           105°F   105°F (Aug 17, 1997)
7-Jul    HUNTINGTON TRI ST AP, WV           104°F   103°F (8 days prior)
7-Jul    COVINGTON WSO, KY                  104°F   104°F (1 day prior)
7-Jul    MOLINE WSO AP, IL                  104°F   104°F (Jun 25, 1988)
7-Jul    PATUXENT RIVER NAS, MD             104°F   104°F (Jul 25, 2010)
7-Jul    ARLINGTON UNIV FARM, WI            103°F   102°F (Aug 16, 1988)
7-Jul    PARKERSBURG FAA AP, WV             103°F   102°F (Jul 16, 1988)
7-Jul    STOUGHTON, WI                      103°F   103°F (Aug 2, 1988)
7-Jul    WARSAW, IN                         103°F   103°F (8 days prior)
7-Jul    FREEPORT WASTE WTP, IL             102°F   101°F (Aug 18, 1988)
7-Jul    BEAVER DAM, WI                     102°F   102°F (1 day prior)
7-Jul    DAYTON WSO AP, OH                  102°F   102°F (1 day prior)
7-Jul    WHITEWATER, WI                     102°F   102°F (1 day prior)
7-Jul    HESPERIA 4 WNW, MI                 101°F   100°F (Aug 21, 1955)
7-Jul    AKRON CANTON WSO AP, OH            101°F   101°F (Jul 16, 1988)
7-Jul    PRESTON, MN                        101°F   101°F (Jul 14, 1995)
7-Jul    WILMINGTON AIRBORNE PARK, OH       101°F   101°F (Jul 14, 1954)
7-Jul    WEST CHICAGO DUPAGE AP, IL         100°F   100°F (1 day prior)
7-Jul    PAINTER 2W, VA                     99°F    99°F (Jul 27, 2005)
7-Jul    PITTSBURGH ALLEGHENY AP, PA        99°F    99°F (8 days prior)
7-Jul    COOPERS ROCK SF, WV                93°F    92°F (7 days prior)
8-Jul    CHILLICOTHE 2S, MO                 110°F   109°F (Aug 29, 1984)
8-Jul    BREMO BLUFF, VA                    109°F   107°F (Aug 8, 2007)
8-Jul    NORMAL 4NE, IL                     107°F   105°F (1 day prior)
8-Jul    WELDON SPRING NWS, MO              107°F   107°F (Aug 30, 1984)
8-Jul    QUANTICO MCAS, VA                  106°F   106°F (1 day prior)
8-Jul    ST LOUIS SCI CTR, MO               106°F   106°F (1 day prior)
8-Jul    CARLYLE RSVR, IL                   105°F   105°F (2 days prior)
8-Jul    RALEIGH AP, NC                     105°F   105°F (8 days prior)
8-Jul    RATHBUN DAM, IA                    105°F   105°F (Jul 23, 1983)
8-Jul    SALEM, IL                          105°F   105°F (Aug 20, 1983)
8-Jul    FREEPORT WASTE WTP, IL             103°F   102°F (1 day prior)
8-Jul    WAYNESBURG 1 E, PA                 102°F   102°F (Jul 17, 1988)
8-Jul    HANNIBAL LOCKS AND DAM, OH         101°F   100°F (Aug 15, 1988)
8-Jul    STEVENSVILLE 2SW, MD               101°F   101°F (Jul 21, 1934)
8-Jul    PAINTER 2W, VA                     100°F   99°F (1 day prior)
8-Jul    PIKE ISLAND   , WV                 100°F   100°F (Jul 17, 1988)
8-Jul    WASHINGTON 3 NE, PA                100°F   100°F (Jul 17, 1988)
8-Jul    COOPERS ROCK SF, WV                96°F    93°F (1 day prior)
8-Jul    LAUREL MTN, PA                     95°F    93°F (Jul 17, 1988)
9-Jul    NOLIN RIVER LAKE, KY               110°F   110°F (8 days prior)
9-Jul    FARMVILLE 2 N, VA                  106°F   106°F (9 days prior)
9-Jul    MONTICELLO, VA                     100°F   100°F (Jul 7, 1999)
11-Jul   BEAVER DAM, AZ                     121°F   120°F (Jul 6, 2007)
11-Jul   CALIENTE, NV                       110°F   110°F (Jul 14, 1915)
12-Jul   EVANSTON BURNS FLD, WY             93°F    93°F (Jul 23, 2006)
13-Jul   SODA SPRINGS AP, ID                102°F   101°F (Jul 14, 2002)
17-Jul   BURLINGTON 2S, IA                  107°F   105°F (Aug 17, 1983)
17-Jul   FLINT FCWOS, MI                    101°F   101°F (Jul 14, 1995)
17-Jul   PONTIAC OAKLAND CO INTL AP, MI     100°F   100°F (13 days prior)
19-Jul   ST LOUIS SCI CTR, MO               106°F   106°F (11 days prior)
20-Jul   POPLAR BLUFF, MO                   113°F   112°F (Aug 9, 1930)
22-Jul   SPRINGVIEW, NE                     113°F   110°F (Jul 17, 2006)
23-Jul   OTTUMWA INDUSTRIAL AP, IA          106°F   105°F (Aug 18, 1983)
24-Jul   RATHBUN DAM, IA                    106°F   105°F (16 days prior)
24-Jul   MEMPHIS, MO                        106°F   106°F (Jul 19, 1954)
24-Jul   LE CLAIRE    14, IA                103°F   103°F (Aug 17, 1983)
25-Jul   ST LOUIS SCI CTR, MO               106°F   106°F (6 days prior)
25-Jul   GUTTENBERG    10, IA               103°F   103°F (Aug 28, 1948)
25-Jul   DUBUQUE WSO AP, IA                 101°F   101°F (Jul 31, 1988)
26-Jul   ST LOUIS SCI CTR, MO               107°F   106°F (1 day prior)
26-Jul   CASCADE, IA                        103°F   103°F (Aug 1, 1988)
30-Jul   JOHN REDMOND LAKE, KS              110°F   109°F (Sep 3, 2000)
31-Jul   RALSTON, OK                        113°F   112°F (Jul 6, 1996)
31-Jul   DES ARC, AR                        109°F   109°F (Aug 1, 1986)
2-Aug    SEMINOLE, OK                       113°F   113°F (Jul 19, 1936)
2-Aug    WATONGA, OK                        112°F   111°F (Aug 6, 1964)
2-Aug    OKLAHOMA CITY WILL ROGERS AP, OK   112°F   112°F (1 day prior)
2-Aug    KEYSTONE DAM, OK                   110°F   110°F (Jul 31, 1986)
3-Aug    OKLAHOMA CITY WILL ROGERS AP, OK   113°F   112°F (1 day prior)
3-Aug    OOLOGAH DAM, OK                    109°F   109°F (Jul 23, 1974)
4-Aug    BURLINGTON 2S, IA                  110°F   107°F (18 days prior)
24-Aug   KANEOHE NAVY AIR STN, HI           96°F    91°F (Aug 27, 2006)
30-Aug   HILL CITY, SD                      101°F   101°F (Jul 30, 2006)
30-Aug   ORLANDO SANFORD AP, FL             100°F   100°F (Jun 14, 2010)
14-Sep   SAN DIEGO MONTGOMERY FLD, CA       107°F   107°F (Sep 27, 2010)
14-Sep   KANEOHE NAVY AIR STN, HI           98°F    96°F (21 days prior)
9-Oct    LIHUE WSO AP 1020.1, HI            91°F    90°F (Aug 30, 1996) 

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