CDUS45 KCYS 210729 CLICYS CLIMATE REPORT NATIONAL WEATHER SERVICE CHEYENNE WY 129 AM MDT MON SEP 21 2026 ................................... ...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1871 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 64 349 PM 87 1956 72 -8 74 2010 MINIMUM 45 1158 PM 21 1983 44 1 51 AVERAGE 55 58 -3 63 PRECIPITATION (IN) YESTERDAY 0.10 1.32 1940 0.05 0.05 T MONTH TO DATE 0.46 1.01 -0.55 0.46 SINCE SEP 1 0.46 1.01 -0.55 0.46 SINCE JAN 1 9.49 12.86 -3.37 13.41 SNOWFALL (IN) YESTERDAY 0.0 1.3 1995 0.0 0.0 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 YESTERDAY 10 8 2 2 MONTH TO DATE 33 96 -63 65 SINCE SEP 1 33 96 -63 65 SINCE JUL 1 40 146 -106 86 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 66 30 36 16 SINCE SEP 1 66 30 36 16 SINCE JAN 1 615 395 220 383 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 6.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 89 700 AM LOWEST 38 400 PM AVERAGE 64 .......................................................... THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 85 2015 MINIMUM TEMPERATURE (F) 44 20 1983 SUNRISE AND SUNSET SEPTEMBER 21 2026.....SUNRISE 646 AM MDT SUNSET 658 PM MDT SEPTEMBER 22 2026.....SUNRISE 647 AM MDT SUNSET 656 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$