Climatological Report (Daily)
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812
CDUS45 KRIW 070045
CLICPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST SAT DEC 06 2025

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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 6 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         45   2:36 PM  63    1939  36      9       49
  MINIMUM         30   4:08 AM -24    1972  16     14       26
  AVERAGE         38                        26     12       38

PRECIPITATION (IN)
  TODAY            T             0.19 1957   0.02  -0.02     0.00
  MONTH TO DATE    0.07                      0.12  -0.05     0.00
  SINCE DEC 1      0.07                      0.12  -0.05     0.00
  SINCE JAN 1     11.76                     11.73   0.03     9.12

SNOWFALL (IN)
  TODAY           MM                         0.4   MM        0.0
  MONTH TO DATE    1.0                       2.1   -1.1      0.0
  SINCE DEC 1      1.0                       2.1   -1.1      0.0
  SINCE JUL 1      5.3                      19.5  -14.2       T
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY           27                        39    -12       27
  MONTH TO DATE  217                       229    -12      180
  SINCE DEC 1    217                       229    -12      180
  SINCE JUL 1   1643                      2031   -388     1680

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    467                       443     24      538
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    11.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85
 LOWEST     47
 AVERAGE    66

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


THE CASPER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        57      1939
 MINIMUM TEMPERATURE (F)   16       -27      2016


SUNRISE AND SUNSET
DECEMBER  6 2025......SUNRISE   7:23 AM MST   SUNSET   4:31 PM MST
DECEMBER  7 2025......SUNRISE   7:24 AM MST   SUNSET   4:31 PM MST


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




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