155
CDUS45 KRIW 220045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED MAY 21 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 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 64 4:56 PM 86 2006 69 -5 48
MINIMUM 32 4:42 AM 28 2001 41 -9 33
AVERAGE 48 55 -7 41
PRECIPITATION (IN)
TODAY 0.00 0.55 2019 0.07 -0.07 0.47
MONTH TO DATE 1.09 1.35 -0.26 2.07
SINCE MAR 1 3.97 3.20 0.77 2.97
SINCE JAN 1 4.47 3.89 0.58 4.42
SNOWFALL (IN)
TODAY MM 0.2
MONTH TO DATE 0.9 0.9
SINCE MAR 1 18.2 4.5
SINCE JUL 1 30.7 36.7
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 17 10 7 24
MONTH TO DATE 264 289 -25 317
SINCE MAR 1 1754 1848 -94 1754
SINCE JUL 1 7101 7726 -625 7338
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 3 0 3 0
SINCE JAN 1 3 0 3 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 18
AVERAGE 57
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 82 2000
MINIMUM TEMPERATURE (F) 42 24 2022
SUNRISE AND SUNSET
MAY 21 2025...........SUNRISE 5:44 AM MDT SUNSET 8:37 PM MDT
MAY 22 2025...........SUNRISE 5:44 AM MDT SUNSET 8:38 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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