Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 200045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE AUG 19 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 19 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 97R 3:13 PM 96 2013 85 12 91
2019
MINIMUM 56 2:27 AM 43 1996 53 3 64
2002
AVERAGE 77 69 8 78
PRECIPITATION (IN)
TODAY 0.00 0.29 2021 0.01 -0.01 T
MONTH TO DATE 0.01 0.26 -0.25 0.22
SINCE JUN 1 1.22 1.74 -0.52 0.69
SINCE JAN 1 5.74 6.20 -0.46 5.33
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.0 0.0
SINCE JUN 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 2 6 -4 1
SINCE JUN 1 80 131 -51 41
SINCE JUL 1 2 16 -14 8
COOLING
TODAY 12 5 7 13
MONTH TO DATE 147 126 21 134
SINCE JUN 1 532 417 115 489
SINCE JAN 1 538 425 113 489
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 6.6
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 47
LOWEST 7
AVERAGE 27
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 94 2019
MINIMUM TEMPERATURE (F) 53 39 2016
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 6:24 AM MDT SUNSET 8:09 PM MDT
AUGUST 20 2025........SUNRISE 6:26 AM MDT SUNSET 8:08 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$