950 CDUS45 KRIW 100832 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 132 AM MST THU DEC 10 2020 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 9 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1939 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 53 2:43 PM 63 1939 34 19 27 MINIMUM 29 11:59 PM -23 1977 14 15 11 AVERAGE 41 24 17 PRECIPITATION (IN) YESTERDAY T 0.33 1985 0.02 -0.02 0.00 MONTH TO DATE 0.01 0.15 -0.14 0.30 SINCE DEC 1 0.01 0.15 -0.14 0.30 SINCE JAN 1 5.15 12.18 -7.03 14.16 SNOWFALL (IN) YESTERDAY 0.0 5.0 0.4 -0.4 0.0 MONTH TO DATE 0.2 3.2 -3.0 4.0 SINCE DEC 1 0.2 3.2 -3.0 4.0 SINCE JUL 1 11.8 22.7 -10.9 36.7 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 24 41 -17 46 MONTH TO DATE 300 361 -61 323 SINCE DEC 1 300 361 -61 323 SINCE JUL 1 2072 2215 -143 2372 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 542 422 120 441 ................................................................... WIND (MPH) HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 19.7 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 28 12:00 AM LOWEST 12 12:00 PM AVERAGE 20 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 34 63 1939 MINIMUM TEMPERATURE (F) 14 -18 1961 SUNRISE AND SUNSET DECEMBER 10 2020......SUNRISE 7:26 AM MST SUNSET 4:31 PM MST DECEMBER 11 2020......SUNRISE 7:27 AM MST SUNSET 4:32 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$