Thursday, December 24, 2009

New Orleans Drowns All-Time Monthly Precipitation Record

December 25 Update: The New Orleans daily climate report confirms the earlier rainfall estimates.

11 PM CST Update: Today's unofficial total: 0.50", monthly total: 25.43".

Original post:
As noted last week, New Orleans doubled its previous December precipitation record in the first two weeks of the month and was closing in on the all-time monthly record. With 0.36" of rain so far this afternoon in heavy thunderstorms, the monthly total is now 25.29", exceeding the previous record of 25.11" set in October 1937. Light rain continues to fall as more showers move through the area.

Images (click to enlarge): New Orleans monthly precipitation records, CapitalClimate chart from National Weather Service data; 24 hour precipitation ending 6 am CST December 25 from National Weather Service

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