792
CDUS45 KRIW 160045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI MAY 15 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 15 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 77 2:18 PM 84 2012 66 11 62
MINIMUM 43 3:02 AM 33 2004 39 4 36
AVERAGE 60 53 7 49
PRECIPITATION (IN)
TODAY 0.00 0.16 2016 0.07 -0.07 T
MONTH TO DATE 0.09 0.95 -0.86 0.87
SINCE MAR 1 0.66 2.80 -2.14 3.75
SINCE JAN 1 0.93 3.49 -2.56 4.25
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.5 0.9
SINCE MAR 1 8.1 18.2
SINCE JUL 1 16.1 30.7
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 5 12 -7 16
MONTH TO DATE 147 223 -76 175
SINCE MAR 1 1272 1782 -510 1665
SINCE JUL 1 5565 7660 -2095 7012
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 29 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 10.8
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 24
LOWEST 6
AVERAGE 15
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 85 2012
MINIMUM TEMPERATURE (F) 40 31 2009
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 5:50 AM MDT SUNSET 8:31 PM MDT
MAY 16 2026...........SUNRISE 5:49 AM MDT SUNSET 8:32 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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