881 CDUS45 KRIW 090739 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1239 AM MST THU DEC 9 2010 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 8 2010... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1939 TO 2010 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 43 158 PM 60 1939 35 8 1 MINIMUM 31 429 AM -29 2009 15 16 -29 AVERAGE 37 25 12 -14 PRECIPITATION (IN) YESTERDAY 0.00 0.49 1985 0.02 -0.02 0.02 MONTH TO DATE 0.10 0.16 -0.06 0.30 SINCE DEC 1 0.10 0.16 -0.06 0.30 SINCE JAN 1 11.35 12.57 -1.22 15.10 SNOWFALL (IN) YESTERDAY 0.0 0.4 -0.4 1.4 MONTH TO DATE 1.0 3.2 -2.2 6.8 SINCE DEC 1 1.0 3.2 -2.2 6.8 SINCE JUL 1 9.8 24.3 -14.5 22.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 28 40 -12 79 MONTH TO DATE 271 310 -39 471 SINCE DEC 1 271 310 -39 471 SINCE JUL 1 1940 2141 -201 2412 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 423 428 -5 221 .................................................................. WIND (MPH) HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 20.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 69 1200 AM LOWEST 45 200 PM AVERAGE 57 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 35 63 1939 MINIMUM TEMPERATURE (F) 15 -23 1977 SUNRISE AND SUNSET DECEMBER 9 2010......SUNRISE 725 AM MST SUNSET 431 PM MST DECEMBER 10 2010......SUNRISE 726 AM MST SUNSET 431 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$