Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 220045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON JUL 21 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR JULY 21 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 96 2:13 PM 98 2007 89 7 84
MINIMUM 54 4:37 AM 49 2009 57 -3 56
AVERAGE 75 73 2 70
PRECIPITATION (IN)
TODAY 0.00 0.06 2002 0.02 -0.02 0.00
MONTH TO DATE 0.02 0.37 -0.35 0.18
SINCE JUN 1 0.92 1.31 -0.39 0.46
SINCE JAN 1 5.44 5.77 -0.33 5.10
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 0 0 0
MONTH TO DATE 0 6 -6 7
SINCE JUN 1 78 121 -43 40
SINCE JUL 1 0 6 -6 7
COOLING
TODAY 10 8 2 5
MONTH TO DATE 182 141 41 136
SINCE JUN 1 298 208 90 274
SINCE JAN 1 304 216 88 274
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.8
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 42
LOWEST 9
AVERAGE 26
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 100 2007
MINIMUM TEMPERATURE (F) 57 52 2010
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:54 AM MDT SUNSET 8:46 PM MDT
JULY 22 2025..........SUNRISE 5:55 AM MDT SUNSET 8:45 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$