144
CXUS55 KCYS 020357
CLMLAR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
957 PM MDT WED OCT 01 2025

...................................

...THE LARAMIE WYOMING AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             91   09/05/2020
 LOW              -2   09/30/1985
HIGHEST           84   09/10         MM      MM       88
LOWEST            33   09/24         MM      MM       34
AVG. MAXIMUM    70.8               70.2     0.6     78.5
AVG. MINIMUM    40.8               38.5     2.3     41.6
MEAN            55.8               54.3     1.5     60.0
DAYS MAX >= 90     0                0.1    -0.1        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                5.7    -5.7        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.05   2013
TOTALS          2.13               1.11    1.02     0.50
DAYS >= .01       13                7.3     5.7        3
DAYS >= .10        6                3.2     2.8        1
DAYS >= .50        1                0.6     0.4        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.98   09/22 TO 09/23               0.36  09/04 TO 09/04


DEGREE DAYS
HEATING TOTAL    270                321     -51      144
 SINCE 7/1       360                471    -111       MM
COOLING TOTAL      2                  2       0        3
 SINCE 1/1       150                 85      65       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    43/230    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    56/230    DATE  09/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.27
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$