Sunday, August 21, 2011

New York Precipitation Update: Second Rainiest August on Record

Aug. 27, 5 PM Update: The New York August rainfall record has already been broken with the approach of Hurricane Irene.

Aug. 25, 2 PM Update: An additional 0.47" so far today brings the monthly rainfall total to 12.06", within 1/3 of an inch of the August record.

Aug. 22, 10 AM Update: The preliminary monthly total rainfall of 11.59" at Central Park is confirmed.

Sunday's daily amount of 2.06" at Kennedy Airport is also a new record for Aug. 21, breaking the old record of 1.61" set in 1997. This brings the monthly total there to 11.94". That is well above the previous August record of 8.30" in 1976, although continuous JFK records date back only to 1964.

Original post:
After reaching the 8th highest August total by the middle of the month, an unofficial total of 0.67" of precipitation this evening has raised the Central Park, New York monthly total rainfall to 11.59", the second highest on record for August. According to the National Weather Service, the previous 10 wettest Augusts in records dating back to 1869 were:
12.36   1990    

10.86 1955
9.83 1927
9.56 1873
9.37 1971
9.28 1911
9.08 1942
8.97 1875
8.85 1933
8.72 1893

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