298
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
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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
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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.
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