817 CDUS45 KRIW 250733 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 133 AM MDT MON SEP 25 2023 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 24 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 75 4:32 PM 87 1966 71 4 76 2020 MINIMUM 36 11:48 PM 22 1984 39 -3 39 AVERAGE 56 55 1 PRECIPITATION (IN) YESTERDAY 0.00 0.62 1986 0.04 -0.04 0.00 MONTH TO DATE 0.59 0.70 -0.11 0.75 SINCE SEP 1 0.59 0.70 -0.11 0.75 SINCE JAN 1 13.07 9.53 3.54 11.14 SNOWFALL (IN) YESTERDAY 0.0 2.9 1984 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.9 -0.9 0.0 SINCE SEP 1 0.0 0.9 -0.9 0.0 SINCE JUL 1 0.0 0.9 -0.9 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 9 10 -1 7 MONTH TO DATE 97 143 -46 110 SINCE SEP 1 97 143 -46 110 SINCE JUL 1 150 188 -38 112 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 19 29 -10 68 SINCE SEP 1 19 29 -10 68 SINCE JAN 1 341 441 -100 544 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 7.6 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 79 2:00 AM LOWEST 12 4:00 PM AVERAGE 46 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 90 2014 MINIMUM TEMPERATURE (F) 39 20 1984 SUNRISE AND SUNSET SEPTEMBER 25 2023.....SUNRISE 6:56 AM MDT SUNSET 6:58 PM MDT SEPTEMBER 26 2023.....SUNRISE 6:57 AM MDT SUNSET 6:56 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$