209
CDUS45 KCYS 200728
CLICYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
128 AM MDT WED MAY 20 2026
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..THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR MAY 19 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 50 447 PM 85 2020 66 -16 57
MINIMUM 30 431 AM 24 1915 42 -12 41
AVERAGE 40 54 -14 49
PRECIPITATION (IN)
YESTERDAY 0.05 1.01 1988 0.08 -0.03 0.01
MONTH TO DATE 2.15 1.44 0.71 0.43
SINCE MAR 1 3.30 4.19 -0.89 1.62
SINCE JAN 1 3.82 5.06 -1.24 3.15
SNOWFALL (IN)
YESTERDAY 0.0 3.3 2017 0.1 -0.1 0.0
MONTH TO DATE 8.9 2.7 6.2 T
SINCE MAR 1 15.2 23.7 -8.5 6.5
SINCE JUL 1 26.4 62.2 -35.8 34.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 25 12 13 16
MONTH TO DATE 256 287 -31 220
SINCE MAR 1 1362 1818 -456 1583
SINCE JUL 1 5257 6734 -1477 6190
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 4 0 4 0
SINCE JAN 1 4 0 4 0
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1100 PM
LOWEST 50 500 PM
AVERAGE 72
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THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 89 1954
MINIMUM TEMPERATURE (F) 42 22 1931
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 537 AM MDT SUNSET 816 PM MDT
MAY 21 2026...........SUNRISE 536 AM MDT SUNSET 817 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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