Climatological Report (Annual) Issued by NWS Cheyenne, WY
000
CXUS55 KCYS 081702
CLACYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1002 AM MST SAT JAN 08 2022
...................................
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2022
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 96 09/10 58 38 96 07/12
07/28
07/10
07/07
LOWEST -15 02/14 33 -48 -9 02/04
AVG. MAXIMUM 60.8 59.2 1.6 61.3
AVG. MINIMUM 35.3 34.6 0.7 34.5
MEAN 48.1 46.9 1.2 47.9
DAYS MAX >= 90 33 14.9 18.1 33
DAYS MAX <= 32 33 32.8 0.2 33
DAYS MIN <= 32 166 170.4 -4.4 185
DAYS MIN <= 0 5 7.8 -2.8 5
PRECIPITATION (INCHES)
RECORD
MAXIMUM 23.69 1942
MINIMUM 5.94 1964
TOTALS 14.29 15.41 -1.12 10.03
DAILY AVG. 0.04 0.04 -0.00 0.03
DAYS >= .01 82 101.5 -19.5 81
DAYS >= .10 32 40.2 -8.2 35
DAYS >= .50 5 7.7 -2.7 2
DAYS >= 1.00 4 1.8 2.2 0
GREATEST
24 HR. TOTAL 2.37 06/08 TO 06/08 0.78 10/25 TO 10/25
STORM TOTAL 2.37 0.19
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 121.5 1980
24 HR TOTAL 22.7 MM
TOTALS 68.8 62.9 5.9 56.0
SINCE 7/1 8.9 23.2 -14.3 MM
DAYS >= TRACE 75 45.0 30.0 74
DAYS >= 1.0 16 19.5 -3.5 16
GREATEST
SNOW DEPTH 18 03/14 9 10/25
24 HR TOTAL 22.7R 14.0 10/25 TO 10/25
STORM TOTAL 22.7 2.5
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 6619 6959 -340 6746
SINCE 7/1 2194 2812 -618 MM
COOLING TOTAL 603 398 205 605
SINCE 1/1 603 397 206 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 11.4
HIGHEST WIND SPEED/DIRECTION 53/280 DATE 01/20
HIGHEST GUST SPEED/DIRECTION 89/270 DATE 01/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.26
NUMBER OF DAYS FAIR 249
NUMBER OF DAYS PC 84
NUMBER OF DAYS CLOUDY 32
AVERAGE RH (PERCENT) 53
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 42 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 17
LIGHT RAIN 69 FREEZING RAIN 0
LT FREEZING RAIN 4 HAIL 2
HEAVY SNOW 5 SNOW 13
LIGHT SNOW 71 SLEET 0
FOG 101 FOG W/VIS <= 1/4 MILE 22
HAZE 42
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$