Climatological Report (Daily)
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692
CDUS45 KRIW 130045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN OCT 12 2025

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

...THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 12 2025...
VALID TODAY AS OF 0600 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         57   1:55 PM  79    1918  61     -4       75
                                      1950
                                      1996
  MINIMUM         40   6:28 AM  12    1969  34      6       48
  AVERAGE         49                        47      2       62

PRECIPITATION (IN)
  TODAY            0.00          0.97 1904   0.05  -0.05     0.00
  MONTH TO DATE    0.89                      0.61   0.28     0.00
  SINCE SEP 1      2.09                      1.59   0.50     0.40
  SINCE JAN 1     12.10                     11.03   1.07     7.42

SNOWFALL (IN)
  TODAY           MM                         0.3   MM        0.0
  MONTH TO DATE    T                         3.4   -3.4      0.0
  SINCE SEP 1      T                         4.9   -4.9      0.0
  SINCE JUL 1      T                         4.9   -4.9      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY           16                        18     -2        3
  MONTH TO DATE  139                       185    -46       56
  SINCE SEP 1    238                       380   -142      140
  SINCE JUL 1    243                       419   -176      158

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     42                        32     10       83
  SINCE JAN 1    569                       484     85      644
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    14.4


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    56
 LOWEST     21
 AVERAGE    39

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        79      1918
 MINIMUM TEMPERATURE (F)   33        10      1969


SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE   7:25 AM MDT   SUNSET   6:37 PM MDT
OCTOBER 13 2025.......SUNRISE   7:26 AM MDT   SUNSET   6:35 PM MDT


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




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