189 CDUS45 KRIW 170746 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1244 AM MST SAT DEC 17 2016 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 16 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 16 213 AM 59 1980 33 -17 21 MINIMUM -8 1159 PM -31 1964 13 -21 4 AVERAGE 4 23 -19 13 PRECIPITATION (IN) YESTERDAY 0.36R 0.22 1993 0.02 0.34 0.00 MONTH TO DATE 0.84 0.26 0.58 0.84 SINCE DEC 1 0.84 0.26 0.58 0.84 SINCE JAN 1 15.10 12.29 2.81 13.07 SNOWFALL (IN) YESTERDAY 5.2 0.4 4.8 0.0 MONTH TO DATE 14.3 5.8 8.5 11.6 SINCE DEC 1 14.3 5.8 8.5 11.6 SINCE JUL 1 17.5 25.3 -7.8 24.9 SNOW DEPTH 5 DEGREE DAYS HEATING YESTERDAY 61 42 19 52 MONTH TO DATE 812 653 159 525 SINCE DEC 1 812 653 159 525 SINCE JUL 1 2238 2507 -269 2047 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 26 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 15.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY SNOW SNOW LIGHT SNOW FOG FOG W/VISIBILITY <= 1/4 MILE HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 92 300 AM LOWEST 75 1100 PM AVERAGE 84 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 33 60 1980 MINIMUM TEMPERATURE (F) 13 -31 1964 SUNRISE AND SUNSET DECEMBER 17 2016......SUNRISE 732 AM MST SUNSET 433 PM MST DECEMBER 18 2016......SUNRISE 732 AM MST SUNSET 433 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$