338 CDUS45 KRIW 230730 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 130 AM MDT SAT SEP 23 2023 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 22 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 73 1:19 PM 87 1966 72 1 73 1992 2007 MINIMUM 43 11:59 PM 25 2000 40 3 45 AVERAGE 58 56 2 PRECIPITATION (IN) YESTERDAY 0.04 0.60 1976 0.03 0.01 0.09 MONTH TO DATE 0.59 0.62 -0.03 0.75 SINCE SEP 1 0.59 0.62 -0.03 0.75 SINCE JAN 1 13.07 9.45 3.62 11.14 SNOWFALL (IN) YESTERDAY 0.0 6.0 2000 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.8 -0.8 0.0 SINCE SEP 1 0.0 0.8 -0.8 0.0 SINCE JUL 1 0.0 0.8 -0.8 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 7 9 -2 6 MONTH TO DATE 76 123 -47 97 SINCE SEP 1 76 123 -47 97 SINCE JUL 1 129 168 -39 99 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 33 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 14.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 3:00 AM LOWEST 20 1:00 PM AVERAGE 60 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 90 1992 MINIMUM TEMPERATURE (F) 40 24 2000 SUNRISE AND SUNSET SEPTEMBER 23 2023.....SUNRISE 6:54 AM MDT SUNSET 7:02 PM MDT SEPTEMBER 24 2023.....SUNRISE 6:55 AM MDT SUNSET 7:00 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$