Climatological Report (Daily)
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CDUS45 KRIW 300045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST MON DEC 29 2025

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

...THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 29 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         36   3:41 PM  56    1996  32      4       55
  MINIMUM          7   7:49 AM -26    1990   9     -2       22
  AVERAGE         22                        20      2       39

PRECIPITATION (IN)
  TODAY            0.00          0.64 1915   0.02  -0.02     0.00
  MONTH TO DATE    0.28                      0.59  -0.31     0.00
  SINCE DEC 1      0.28                      0.59  -0.31     0.00
  SINCE JAN 1     13.41                     13.19   0.22     9.19

SNOWFALL (IN)
  TODAY           MM                         0.3   MM        0.0
  MONTH TO DATE    2.6                       8.7   -6.1      0.0
  SINCE DEC 1      2.6                       8.7   -6.1      0.0
  SINCE JUL 1      3.7                      31.3  -27.6     10.3
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY           43                        45     -2       26
  MONTH TO DATE  805                      1259   -454      908
  SINCE DEC 1    805                      1259   -454      908
  SINCE JUL 1   2175                      3087   -912     2337

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    569                       485     84      644
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     2.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79
 LOWEST     36
 AVERAGE    58

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        64      1980
 MINIMUM TEMPERATURE (F)    9       -28      1978


SUNRISE AND SUNSET
DECEMBER 29 2025......SUNRISE   7:45 AM MST   SUNSET   4:49 PM MST
DECEMBER 30 2025......SUNRISE   7:45 AM MST   SUNSET   4:50 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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