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CXUS55 KRIW 011337
CLMWRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
637 AM MST THU JAN 01 2026

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

...THE WORLAND WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1947 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             66   12/24/2025
 LOW             -50   12/21/1990
HIGHEST           66R  12/24
LOWEST            -3   12/01
AVG. MAXIMUM    46.7               31.5    15.2
AVG. MINIMUM    16.8                4.8    12.0
MEAN            31.8               18.2    13.6
DAYS MAX >= 90     0
DAYS MAX <= 32     2
DAYS MIN <= 32    31
DAYS MIN <= 0      1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        0.88   MM
 MINIMUM        0.00   2006
TOTALS          0.01               0.18   -0.17     0.09
DAILY AVG.      0.00               0.01   -0.01
DAYS >= .01        1
DAYS >= .10        0
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.01   12/26 TO 12/26
 STORM TOTAL    0.01

SNOWFALL (INCHES)
TOTALS            MM                 MM      MM
SINCE 7/1         MM                 MM      MM
SNOWDEPTH AVG.    MM
DAYS >= 1.0       MM

DEGREE DAYS
HEATING TOTAL   1021               1452    -431
 SINCE 7/1      2454               3360    -906
COOLING TOTAL      0                  0       0
 SINCE 1/1       561                528      33
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
RESULTANT WIND SPEED/DIRECTION   2/190
HIGHEST WIND SPEED/DIRECTION    51/280    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    68/290    DATE  12/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.21
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     62

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

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

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