646 CDUS45 KRIW 170029 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 629 PM MDT SAT SEP 16 2023 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 16 2023... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY MAXIMUM 80 3:01 PM 94 2000 76 4 68 MINIMUM 43 6:00 AM 19 1965 42 1 42 AVERAGE 62 59 3 55 PRECIPITATION (IN) TODAY 0.00 0.56 2006 0.03 -0.03 T MONTH TO DATE 0.54 0.42 0.12 0.62 SINCE SEP 1 0.54 0.42 0.12 0.62 SINCE JAN 1 13.02 9.25 3.77 11.01 SNOWFALL (IN) TODAY 0.0 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.4 -0.4 0.0 SINCE SEP 1 0.0 0.4 -0.4 0.0 SINCE JUL 1 0.0 0.4 -0.4 T SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 3 7 -4 10 MONTH TO DATE 54 74 -20 68 SINCE SEP 1 54 74 -20 68 SINCE JUL 1 107 119 -12 70 COOLING TODAY 0 1 -1 0 MONTH TO DATE 19 26 -7 67 SINCE SEP 1 19 26 -7 67 SINCE JAN 1 341 438 -97 543 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 8.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 82 LOWEST 22 AVERAGE 52 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 89 2000 MINIMUM TEMPERATURE (F) 42 19 1965 SUNRISE AND SUNSET SEPTEMBER 16 2023.....SUNRISE 6:46 AM MDT SUNSET 7:14 PM MDT SEPTEMBER 17 2023.....SUNRISE 6:48 AM MDT SUNSET 7:12 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$