581 CDUS45 KRIW 220733 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1231 AM MST THU DEC 22 2016 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 21 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1939 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 38 1221 AM 53 1969 34 4 36 MINIMUM 15 1159 PM -41 1990 13 2 20 AVERAGE 27 23 4 28 PRECIPITATION (IN) YESTERDAY 0.00 0.21 2003 0.01 -0.01 0.00 MONTH TO DATE 0.84 0.33 0.51 0.89 SINCE DEC 1 0.84 0.33 0.51 0.89 SINCE JAN 1 15.10 12.36 2.74 13.12 SNOWFALL (IN) YESTERDAY 0.0 0.3 -0.3 0.0 MONTH TO DATE 18.3 7.5 10.8 12.8 SINCE DEC 1 18.3 7.5 10.8 12.8 SINCE JUL 1 21.5 27.0 -5.5 26.1 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 38 42 -4 37 MONTH TO DATE 1053 863 190 718 SINCE DEC 1 1053 863 190 718 SINCE JUL 1 2479 2717 -238 2240 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 451 422 29 427 .................................................................. WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 7.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 80 1100 PM LOWEST 32 1200 PM AVERAGE 56 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 34 55 1940 MINIMUM TEMPERATURE (F) 13 -33 1983 SUNRISE AND SUNSET DECEMBER 22 2016......SUNRISE 734 AM MST SUNSET 435 PM MST DECEMBER 23 2016......SUNRISE 735 AM MST SUNSET 436 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$