Tuesday, September 7, 2010

Endless Summer III: 'Nother Ninety Notched
61st Day of 90°+ Temperatures

5:30 PM Update: The preliminary high/low temperatures for Sept. 7 are 94/69. If the low holds through midnight, the first week of September will average nearly 6° above the long-term mean.

Original post:
At 3 pm today, the temperature at Washington National jumped 4° in an hour, reaching 93°. Following a record hot spring and summer, this is the 61st day of 90°+ temperatures at Washington in 2010. The record for one year is 67 in 1980. The total didn't reach 61 in 1980 until 5 days later, however.

Temperatures at other major regional reporting locations were also 90° or above; 91° at Washington Dulles and 90° at Baltimore/BWI.

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