796
CDUS45 KRIW 090728
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT MAY 09 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 8 2026
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)
YESTERDAY
MAXIMUM 71 3:49 PM 79 2004 64 7 73
MINIMUM 38 5:04 AM 25 2002 37 1 37
2010
AVERAGE 55 50 5 55
PRECIPITATION (IN)
YESTERDAY 0.00 0.38 0.07 -0.07 0.00
MONTH TO DATE 0.09 0.49 -0.40 0.53
SINCE MAR 1 0.66 2.34 -1.68 3.41
SINCE JAN 1 0.93 3.03 -2.10 3.91
SNOWFALL (IN)
YESTERDAY 0.0 0.8 2003 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 0
DEGREE DAYS
HEATING
YESTERDAY 10 15 -5 10
MONTH TO DATE 116 130 -14 124
SINCE MAR 1 1241 1689 -448 1614
SINCE JUL 1 5534 7567 -2033 6961
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 23 4:00 PM
AVERAGE 58
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 81 2012
MINIMUM TEMPERATURE (F) 37 19 2002
SUNRISE AND SUNSET
MAY 9 2026...........SUNRISE 5:57 AM MDT SUNSET 8:24 PM MDT
MAY 10 2026...........SUNRISE 5:56 AM MDT SUNSET 8:25 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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