996 CDUS45 KRIW 140745 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 145 AM MDT THU SEP 14 2023 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 13 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 81 12:12 PM 89 1981 77 4 85 2006 MINIMUM 44 2:53 AM 23 1949 43 1 35 AVERAGE 63 60 3 PRECIPITATION (IN) YESTERDAY T 0.95 1982 0.03 -0.03 0.02 MONTH TO DATE 0.31 0.33 -0.02 0.40 SINCE SEP 1 0.31 0.33 -0.02 0.40 SINCE JAN 1 12.79 9.16 3.63 10.79 SNOWFALL (IN) YESTERDAY 0.0 0.4 1993 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.3 -0.3 0.0 SINCE SEP 1 0.0 0.3 -0.3 0.0 SINCE JUL 1 0.0 0.3 -0.3 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 2 6 -4 5 MONTH TO DATE 32 55 -23 42 SINCE SEP 1 32 55 -23 42 SINCE JUL 1 85 100 -15 44 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 19 23 -4 65 SINCE SEP 1 19 23 -4 65 SINCE JAN 1 341 435 -94 541 ................................................................... WIND (MPH) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 9.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 86 11:00 PM LOWEST 20 12:00 PM AVERAGE 53 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 92 1948 MINIMUM TEMPERATURE (F) 43 28 1961 SUNRISE AND SUNSET SEPTEMBER 14 2023.....SUNRISE 6:44 AM MDT SUNSET 7:18 PM MDT SEPTEMBER 15 2023.....SUNRISE 6:45 AM MDT SUNSET 7:16 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$