776 CDUS45 KRIW 160727 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT SAT SEP 16 2023 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 15 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 71 3:40 PM 92 2000 76 -5 55 MINIMUM 40 5:09 AM 28 1947 43 -3 43 1965 AVERAGE 56 59 -3 PRECIPITATION (IN) YESTERDAY 0.00 0.47 2017 0.04 -0.04 0.19 MONTH TO DATE 0.54 0.39 0.15 0.62 SINCE SEP 1 0.54 0.39 0.15 0.62 SINCE JAN 1 13.02 9.22 3.80 11.01 SNOWFALL (IN) YESTERDAY 0.0 0.7 1965 0.0 0.0 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 9 6 3 16 MONTH TO DATE 51 67 -16 58 SINCE SEP 1 51 67 -16 58 SINCE JUL 1 104 112 -8 60 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 19 25 -6 67 SINCE SEP 1 19 25 -6 67 SINCE JAN 1 341 437 -96 543 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 5.4 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 100 12:00 AM LOWEST 32 4:00 PM AVERAGE 66 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 94 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. $$