171 CDUS45 KRIW 130727 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1226 AM MST WED DEC 13 2017 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 12 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1939 TO 2017 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 48 242 PM 60 2014 34 14 34 MINIMUM 25 129 AM -14 2000 13 12 1 AVERAGE 37 24 13 18 PRECIPITATION (IN) YESTERDAY 0.00 0.26 1992 0.02 -0.02 T 1940 MONTH TO DATE 0.35 0.20 0.15 0.46 SINCE DEC 1 0.35 0.20 0.15 0.46 SINCE JAN 1 13.08 12.23 0.85 14.72 SNOWFALL (IN) YESTERDAY 0.0 0.4 -0.4 T MONTH TO DATE 5.4 4.3 1.1 8.7 SINCE DEC 1 5.4 4.3 1.1 8.7 SINCE JUL 1 14.6 23.8 -9.2 11.9 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 28 42 -14 47 MONTH TO DATE 407 485 -78 608 SINCE DEC 1 407 485 -78 608 SINCE JUL 1 2151 2339 -188 2034 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 448 422 26 451 .................................................................. WIND (MPH) HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 18.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 63 1200 AM LOWEST 31 100 PM AVERAGE 47 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 34 57 2014 MINIMUM TEMPERATURE (F) 13 -16 1967 SUNRISE AND SUNSET DECEMBER 13 2017......SUNRISE 729 AM MST SUNSET 432 PM MST DECEMBER 14 2017......SUNRISE 729 AM MST SUNSET 432 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$