Climatological Report (Annual) Issued by NWS Cheyenne, WY
000
CXUS55 KCYS 050642
CLACYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1142 PM MST THU JAN 04 2024
...................................
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 100 06/23/1954
07/11/1939
07/14/1881
LOW -38 01/09/1875
HIGHEST 93 07/17 58 35 99 07/18
07/24
08/21
LOWEST -19 02/23 33 -52 -25 12/22
AVG. MAXIMUM 59.2 59.2 0.0 60.7
AVG. MINIMUM 35.4 34.6 0.8 34.1
MEAN 47.3 46.9 0.4 47.4
DAYS MAX >= 90 17 14.9 2.1 33
DAYS MAX <= 32 37 32.8 4.2 31
DAYS MIN <= 32 165 170.4 -5.4 177
DAYS MIN <= 0 7 7.8 -0.8 18
PRECIPITATION (INCHES)
RECORD
MAXIMUM 23.69 1942
MINIMUM 5.94 1964
TOTALS 20.37 15.41 4.96 9.47
DAILY AVG. 0.05 0.04 0.01 0.03
DAYS >= .01 107 101.5 5.5 76
DAYS >= .10 58 40.2 17.8 33
DAYS >= .50 12 7.7 4.3 0
DAYS >= 1.00 1 1.8 -0.8 0
GREATEST
24 HR. TOTAL 1.39 07/19 TO 07/20 0.49
STORM TOTAL 1.38 0.42
(MM/DD(HH)) 07/20
SNOWFALL (INCHES)
RECORDS
TOTAL 121.5 1980
24 HR TOTAL 22.7 03/14/2021
TOTALS 59.1 62.9 -3.8 64.7
SINCE 7/1 16.3 23.2 -6.9 20.0
DAYS >= TRACE 72 45.0 27.0 71
DAYS >= 1.0 21 19.5 1.5 23
GREATEST
SNOW DEPTH 7 01/30 7 01/05
11/25
01/06
24 HR TOTAL 7.6 11/23 TO 11/24 7.2 01/05 TO 01/05
STORM TOTAL 8.5 7.2
(MM/DD(HH)) 11/23 TO 11/25
DEGREE DAYS
HEATING TOTAL 6730 6959 -229 6992
SINCE 7/1 2384 2812 -428 MM
COOLING TOTAL 383 398 -15 701
SINCE 1/1 383 397 -14 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 10.8
HIGHEST WIND SPEED/DIRECTION 55/270 DATE 02/19
HIGHEST GUST SPEED/DIRECTION 77/270 DATE 02/19
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.29
NUMBER OF DAYS FAIR 245
NUMBER OF DAYS PC 73
NUMBER OF DAYS CLOUDY 47
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 75 MIXED PRECIP 0
HEAVY RAIN 26 RAIN 30
LIGHT RAIN 100 FREEZING RAIN 0
LT FREEZING RAIN 4 HAIL 7
HEAVY SNOW 4 SNOW 18
LIGHT SNOW 69 SLEET 0
FOG 112 FOG W/VIS <= 1/4 MILE 30
HAZE 75
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$