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Sheridan Period of Record Extended
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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
509 AM MDT WED SEP 14 2011
..SHERIDAN WYOMING PERIOD OF RECORD EXTENDED...
WEATHER OBSERVATIONS AT SHERIDAN COUNTY AIRPORT BEGAN IN 1940...
WITH MAXIMUM TEMPERATURE...MINIMUM TEMPERATURE AND PRECIPITATION
RECORDED DAILY EVER SINCE. UNTIL NOW...THAT DATA HAS BEEN USED AS
THE SOLE OFFICIAL PERIOD OF RECORD FOR THE CITY OF SHERIDAN.
BETWEEN 1907 AND 1940...A SEPARATE WEATHER BUREAU STATION LOCATED
WITHIN A MILE OF THE CURRENT AIRPORT SITE...TOOK DAILY
OBSERVATIONS OF TEMPERATURE AND PRECIPITATION. AFTER CAREFUL
QUALITY CONTROL...THE NATIONAL WEATHER SERVICE HAS ADDED THIS DATA
TO THE PERIOD OF RECORD FOR SHERIDAN. AS A RESULT...RECORD
TEMPERATURES AND PRECIPITATION AS STATED IN VARIOUS NWS CLIMATE
PRODUCTS NOW REFLECT CONDITIONS AT SHERIDAN FROM 1907 THROUGH THE
CURRENT YEAR. IT IS BELIEVED THAT THIS EXTENSION BETTER REFLECTS
THE PERIOD OF RECORD FOR THE CITY OF SHERIDAN.
AS A RESULT OF THIS ADJUSTMENT...THE FOLLOWING NOW STAND AS
CURRENT RECORDS FOR SHERIDAN WYOMING:
COLDEST TEMPERATURE.......-41 DEGREES ON DECEMBER 9 1919.
WARMEST LOW TEMPERATURE...76 DEGREES ON JULY 28 1935.
WARMEST YEAR..............1934...AVERAGE TEMP 48.7 DEGREES.
COLDEST YEAR..............1916...AVERAGE TEMP 40.7 DEGREES.
HOTTEST MONTH.............JULY 1936...AVERAGE TEMP 77.9 DEGREES.
COLDEST MONTH.............JANUARY 1916...AVERAGE TEMP 1.7 DEGREES.
WETTEST YEAR..............1923...TOTAL PRECIPITATION 29.79 INCHES.
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