Climatological Report (Daily)
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477
CDUS45 KRIW 160045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED OCT 15 2025

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

...THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 15 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         65   4:20 PM  81    1991  59      6       75
  MINIMUM         38   6:23 AM  10    1966  32      6       45
  AVERAGE         52                        46      6       60

PRECIPITATION (IN)
  TODAY            0.05          0.99 1936   0.05   0.00     0.00
  MONTH TO DATE    0.98                      0.77   0.21     0.00
  SINCE SEP 1      2.18                      1.75   0.43     0.40
  SINCE JAN 1     12.19                     11.19   1.00     7.42

SNOWFALL (IN)
  TODAY           MM                         0.4   MM        0.0
  MONTH TO DATE    T                         4.5   -4.5      0.0
  SINCE SEP 1      T                         6.0   -6.0      0.0
  SINCE JUL 1      T                         6.0   -6.0      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY           13                        19     -6        5
  MONTH TO DATE  196                       241    -45       80
  SINCE SEP 1    295                       436   -141      164
  SINCE JUL 1    300                       475   -175      182

 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    30   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     6.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93
 LOWEST     37
 AVERAGE    65

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        83      1991
 MINIMUM TEMPERATURE (F)   32        14      1930


SUNRISE AND SUNSET
OCTOBER 15 2025.......SUNRISE   7:29 AM MDT   SUNSET   6:32 PM MDT
OCTOBER 16 2025.......SUNRISE   7:30 AM MDT   SUNSET   6:30 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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