Tuesday, June 21, 2011

Charleston's Earliest Triple Triple: First Time 3 Consecutive 100°+ Days in June

6:30 PM Update: The string of 100° temperatures was broken today, but the high of 98° at Charleston was enough to set a new record for June 22, surpassing the 97° in 1990.

Yesterday's (June 21) high has been corrected to 102°, which is a new record for the date.

2 PM Update: The high temperature today at Charleston is forecast to reach 100° for an unprecedented 4th consecutive day. The current temperature is 97°, up 2° from the previous hour.

Original post:
The Southeast Regional Climate Center(SERCC) reports that today's high of 100° at Charleston, South Carolina, tying the record [correction: see update above] set in 1990, represents the first time that there have been 3 consecutive days of 100°+ temperatures in June. The Sunday (June 19) high of 100° tied the record set in 1970, and the Monday (June 20) high of 102° broke the record of 100°, also in 1970. So far, there have been only 3 days this month which failed to reach 90° or above at Charleston.

Here are the previous Charleston 100° streaks, from the SERCC:
Rank # Days  End Date
1 7 7/14/1986
2 4 7/21/1986
3 3 8/01/1999
4 3 7/21/1942
The average temperature this month of 82.7° through yesterday is now tied with 1981 as the third hottest June and is 0.7° behind the June monthly record set last year. The Charleston data history began in 1938 at the current location, but Charleston city records are some of the oldest in the U.S., dating back to 1860.

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