Climatological Report (Daily)
Issued by NWS Riverton, WY

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225
CDUS45 KRIW 170046
CLIRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
646 PM MDT THU OCT 16 2025

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

...THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 16 2025...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         46   1:22 AM  77    2024  58    -12       77
  MINIMUM         38  12:34 PM  19    1999  31      7       37
  AVERAGE         42                        45     -3       57

PRECIPITATION (IN)
  TODAY            0.40          0.67 1998   0.04   0.36      T
  MONTH TO DATE    1.43                      0.56   0.87      T
  SINCE SEP 1      2.42                      1.33   1.09     0.07
  SINCE JAN 1      8.67                      7.69   0.98     5.50

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

DEGREE DAYS
 HEATING
  TODAY           23                        20      3        8
  MONTH TO DATE  225                       270    -45      110
  SINCE SEP 1    322                       475   -153      196
  SINCE JUL 1    325                       511   -186      214

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        1
  SINCE SEP 1     37                        31      6       68
  SINCE JAN 1    611                       499    112      610
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     7.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100
 LOWEST     76
 AVERAGE    88

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


THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        74      2003
                                             2023
 MINIMUM TEMPERATURE (F)   31        16      1999


SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE   7:29 AM MDT   SUNSET   6:29 PM MDT
OCTOBER 17 2025.......SUNRISE   7:30 AM MDT   SUNSET   6:27 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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