Climatological Report (Annual) Issued by NWS Cheyenne, WY
000
CXUS55 KCYS 100118
CLACYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
618 PM MST SAT JAN 09 2021
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...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2021
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 100 06/23/1954
07/11/1939
07/14/1881
LOW -38 01/09/1875
HIGHEST 96 07/12 58 38 95
07/10
07/07
LOWEST -9 02/04 33 -42 -16
AVG. MAXIMUM 61.3 58.6 58.4
AVG. MINIMUM 34.5 34.3 33.2
MEAN 47.9 46.5 1.4 45.8
DAYS MAX >= 90 33 10.4 19
DAYS MAX <= 32 33 32.8 42
DAYS MIN <= 32 185 164.1 187
DAYS MIN <= 0 5 8.1 8
PRECIPITATION (INCHES)
RECORD
MAXIMUM 23.69 1942
TOTALS 10.03 15.94 -5.91 18.03
DAILY AVG. 0.03 0.04 0.05
DAYS >= .01 81 103.8 116
DAYS >= .10 35 41.0 45
DAYS >= .50 2 8.2 9
DAYS >= 1.00 0 1.8 2
GREATEST
24 HR. TOTAL 0.78 10/25 TO 10/25
STORM TOTAL 0.19
SNOWFALL (INCHES)
RECORD
MAXIMUM 138.3 1980
TOTALS 56.0 60.3 -4.3
DEGREE DAYS
HEATING TOTAL 6746 7111 -365 7332
SINCE 7/1 2630 2905 -275 MM
COOLING TOTAL 605 349 256 463
SINCE 1/1 605 348 257 463
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WIND (MPH)
AVERAGE WIND SPEED 11.8
HIGHEST WIND SPEED/DIRECTION 58/280 DATE 11/14
HIGHEST GUST SPEED/DIRECTION 74/280 DATE 11/14
SKY COVER
AVERAGE SKY COVER 0.25
AVERAGE RH (PERCENT) 50
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 50 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 18
LIGHT RAIN 82 FREEZING RAIN 0
LT FREEZING RAIN 9 HAIL 6
HEAVY SNOW 8 SNOW 26
LIGHT SNOW 71 SLEET 1
FOG 85 FOG W/VIS <= 1/4 MILE 25
HAZE 42
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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