


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
487 CXUS55 KCYS 021958 CLMRWL CLIMATE REPORT NATIONAL WEATHER SERVICE CHEYENNE WY 158 PM MDT THU OCT 02 2025 ...CORRECTED... ................................... ...THE RAWLINS WYOMING AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1951 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 95 09/04/1998 LOW 8 09/30/1985 HIGHEST 84 09/03 MM MM 88 09/10 LOWEST 30 09/18 MM MM 30 AVG. MAXIMUM 73.4 72.3 1.1 78.6 AVG. MINIMUM 42.4 40.7 1.7 42.4 MEAN 57.9 56.5 1.4 60.5 DAYS MAX >= 90 0 0.5 -0.5 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 1 3.5 -2.5 1 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 3.64 1965 TOTALS 1.16 0.89 0.27 0.26 DAYS >= .01 5 6.4 -1.4 MM DAYS >= .10 3 2.8 0.2 MM DAYS >= .50 1 0.2 0.8 MM DAYS >= 1.00 0 0.0 0.0 MM GREATEST 24 HR. TOTAL 0.98 09/22 TO 09/23 0.25 09/04 TO 09/04 DEGREE DAYS HEATING TOTAL 211 263 -52 143 SINCE 7/1 240 341 -101 MM COOLING TOTAL 4 8 -4 15 SINCE 1/1 337 225 112 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.2 HIGHEST WIND SPEED/DIRECTION 39/210 DATE 09/12 HIGHEST GUST SPEED/DIRECTION 56/210 DATE 09/12 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.23 NUMBER OF DAYS FAIR 20 NUMBER OF DAYS PC 5 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 51 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 6 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 3 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 4 FOG W/VIS <= 1/4 MILE 0 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$