579
CDUS45 KRIW 230045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI MAY 22 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 22 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 62 3:59 PM 82 2000 69 -7 75
MINIMUM 31 4:34 AM 24 2022 42 -11 34
AVERAGE 47 56 -9 55
PRECIPITATION (IN)
TODAY 0.00 1.55 2008 0.06 -0.06 0.00
MONTH TO DATE 0.57 1.41 -0.84 1.09
SINCE MAR 1 1.14 3.26 -2.12 3.97
SINCE JAN 1 1.41 3.95 -2.54 4.47
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.8 0.9
SINCE MAR 1 8.4 18.2
SINCE JUL 1 16.4 30.7
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 18 10 8 10
MONTH TO DATE 285 299 -14 274
SINCE MAR 1 1410 1858 -448 1764
SINCE JUL 1 5703 7736 -2033 7111
COOLING
TODAY 0 0 0 0
MONTH TO DATE 8 0 8 3
SINCE MAR 1 8 0 8 3
SINCE JAN 1 8 0 8 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 5.6
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 92
LOWEST 22
AVERAGE 57
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 84 2003
MINIMUM TEMPERATURE (F) 42 28 2002
SUNRISE AND SUNSET
MAY 22 2026...........SUNRISE 5:44 AM MDT SUNSET 8:38 PM MDT
MAY 23 2026...........SUNRISE 5:43 AM MDT SUNSET 8:39 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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