Climatological Report (Daily)
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CDUS45 KRIW 110045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI OCT 10 2025

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

...THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 10 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         70   4:54 PM  82    2015  62      8       71
  MINIMUM         43   6:16 AM  10    2009  34      9       47
  AVERAGE         57                        48      9       59

PRECIPITATION (IN)
  TODAY            T             0.79 2008   0.05  -0.05     0.00
  MONTH TO DATE    0.88                      0.51   0.37     0.00
  SINCE SEP 1      2.08                      1.49   0.59     0.40
  SINCE JAN 1     12.09                     10.93   1.16     7.42

SNOWFALL (IN)
  TODAY           MM                         0.2   MM        0.0
  MONTH TO DATE    T                         2.7   -2.7      0.0
  SINCE SEP 1      T                         4.2   -4.2      0.0
  SINCE JUL 1      T                         4.2   -4.2      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            8                        17     -9        6
  MONTH TO DATE  119                       149    -30       50
  SINCE SEP 1    218                       344   -126      134
  SINCE JUL 1    223                       383   -160      152

 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    10   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     2.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77
 LOWEST     36
 AVERAGE    57

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        81      1991
                                             1996
 MINIMUM TEMPERATURE (F)   34        12      2009


SUNRISE AND SUNSET
OCTOBER 10 2025.......SUNRISE   7:23 AM MDT   SUNSET   6:40 PM MDT
OCTOBER 11 2025.......SUNRISE   7:24 AM MDT   SUNSET   6:38 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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