959 CDUS45 KRIW 200745 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1245 AM MST WED DEC 20 2023 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 19 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 55R 2:33 PM 51 2004 34 21 28 MINIMUM 34 9:44 PM -24 1990 14 20 19 AVERAGE 45 24 21 PRECIPITATION (IN) YESTERDAY 0.00 0.50 2013 0.02 -0.02 0.00 MONTH TO DATE 0.02 0.37 -0.35 0.55 SINCE DEC 1 0.02 0.37 -0.35 0.55 SINCE JAN 1 15.37 11.98 3.39 13.17 SNOWFALL (IN) YESTERDAY 0.0 7.1 2013 0.3 -0.3 0.0 MONTH TO DATE 0.3 6.7 -6.4 12.2 SINCE DEC 1 0.3 6.7 -6.4 12.2 SINCE JUL 1 13.6 24.1 -10.5 30.1 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 20 41 -21 41 MONTH TO DATE 600 754 -154 778 SINCE DEC 1 600 754 -154 778 SINCE JUL 1 2265 2556 -291 2593 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 26 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 15.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 54 11:00 PM LOWEST 25 2:00 PM AVERAGE 40 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 34 56 1941 MINIMUM TEMPERATURE (F) 14 -36 1990 SUNRISE AND SUNSET DECEMBER 20 2023......SUNRISE 7:33 AM MST SUNSET 4:34 PM MST DECEMBER 21 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. $$