Climatological Report (Daily)
Issued by NWS Riverton, WY

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CDUS45 KRIW 040045
CLIRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI OCT 03 2025

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

...THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 3 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         82R       MM  82    2010  65     17       66
  MINIMUM         45        MM  24    2017  37      8       42
  AVERAGE         64                        51     13       54

PRECIPITATION (IN)
  TODAY            0.00          0.76 2016   0.03  -0.03     0.00
  MONTH TO DATE    0.00                      0.11  -0.11     0.00
  SINCE SEP 1      0.99                      0.88   0.11     0.07
  SINCE JAN 1      7.24                      7.24  -0.00     5.50

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

DEGREE DAYS
 HEATING
  TODAY            1                        14    -13       11
  MONTH TO DATE    7                        41    -34       25
  SINCE SEP 1    104                       246   -142      111
  SINCE JUL 1    107                       282   -175      129

 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 (340)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     7.0


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    65
 LOWEST     18
 AVERAGE    42

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


THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        83      2024
 MINIMUM TEMPERATURE (F)   37        24      2013


SUNRISE AND SUNSET
OCTOBER  3 2025.......SUNRISE   7:14 AM MDT   SUNSET   6:51 PM MDT
OCTOBER  4 2025.......SUNRISE   7:15 AM MDT   SUNSET   6:49 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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