454 CDUS45 KRIW 190802 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 102 AM MST TUE DEC 19 2023 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 18 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1939 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 50 1:31 PM 52 1994 34 16 28 MINIMUM 16 12:40 AM -18 1983 14 2 -5 AVERAGE 33 24 9 PRECIPITATION (IN) YESTERDAY 0.00 0.19 1961 0.01 -0.01 0.00 MONTH TO DATE 0.02 0.35 -0.33 0.55 SINCE DEC 1 0.02 0.35 -0.33 0.55 SINCE JAN 1 15.37 11.96 3.41 13.17 SNOWFALL (IN) YESTERDAY 0.0 4.0 2016 0.4 -0.4 0.0 MONTH TO DATE 0.3 6.4 -6.1 12.2 SINCE DEC 1 0.3 6.4 -6.1 12.2 SINCE JUL 1 13.6 23.8 -10.2 30.1 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 32 41 -9 53 MONTH TO DATE 580 713 -133 737 SINCE DEC 1 580 713 -133 737 SINCE JUL 1 2245 2515 -270 2552 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 342 443 -101 544 ................................................................... WIND (MPH) HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 18.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 77 12:00 AM LOWEST 22 1:00 PM AVERAGE 50 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 34 51 2004 MINIMUM TEMPERATURE (F) 14 -24 1990 SUNRISE AND SUNSET DECEMBER 19 2023......SUNRISE 7:32 AM MST SUNSET 4:33 PM MST DECEMBER 20 2023......SUNRISE 7:33 AM MST SUNSET 4:34 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$