531
CXUS55 KRIW 031745
CLMCPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1045 AM MST MON NOV 03 2025

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

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             87   10/05/1993
                       10/01/1992
 LOW              -9   10/30/2019
                       10/29/2019
                       11/24/2010
HIGHEST           83   10/03
LOWEST            16   10/28
AVG. MAXIMUM    61.9               59.7     2.2
AVG. MINIMUM    32.7               30.9     1.8
MEAN            47.3               45.3     2.0
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32    16
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.62   1998
 MINIMUM           T   1956
TOTALS          1.56               1.19    0.37     1.51
DAILY AVG.      0.05               0.04    0.01
DAYS >= .01       11
DAYS >= .10        5
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.63   10/15 TO 10/16
 STORM TOTAL    0.50

SNOWFALL (INCHES)
TOTALS           1.3                7.0    -5.7
SINCE 7/1        1.3                8.5    -7.2
SNOWDEPTH AVG.     0
DAYS >= 1.0        1

DEGREE DAYS
HEATING TOTAL    542                611     -69
 SINCE 7/1       665                872    -207
COOLING TOTAL      0                  1      -1
 SINCE 1/1       467                443      24
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
RESULTANT WIND SPEED/DIRECTION   7/240
HIGHEST WIND SPEED/DIRECTION    47/220    DATE  10/19
HIGHEST GUST SPEED/DIRECTION    59/230    DATE  10/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.23
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                3     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

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

$$