164
CDUS45 KRIW 280045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED MAY 27 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 27 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 83 4:00 PM 87 2014 71 12 76
MINIMUM 59 5:50 AM 35 2012 43 16 47
AVERAGE 71 57 14 62
PRECIPITATION (IN)
TODAY 0.00 1.63 2019 0.06 -0.06 T
MONTH TO DATE 0.57 1.70 -1.13 1.14
SINCE MAR 1 1.14 3.55 -2.41 4.02
SINCE JAN 1 1.41 4.24 -2.83 4.52
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 0 8 -8 3
MONTH TO DATE 295 344 -49 310
SINCE MAR 1 1420 1903 -483 1800
SINCE JUL 1 5713 7781 -2068 7147
COOLING
TODAY 6 0 6 0
MONTH TO DATE 14 0 14 3
SINCE MAR 1 14 0 14 3
SINCE JAN 1 14 0 14 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 11.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 55
LOWEST 18
AVERAGE 37
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 2003
MINIMUM TEMPERATURE (F) 43 35 2011
SUNRISE AND SUNSET
MAY 27 2026...........SUNRISE 5:40 AM MDT SUNSET 8:42 PM MDT
MAY 28 2026...........SUNRISE 5:39 AM MDT SUNSET 8:43 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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