300
CDUS45 KRIW 080727
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT FRI MAY 08 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 7 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 72 2:48 PM 80 2004 63 9 64
2021
MINIMUM 45 11:59 PM 23 2010 36 9 36
AVERAGE 59 50 9 50
PRECIPITATION (IN)
YESTERDAY T 1.41 0.06 -0.06 0.00
MONTH TO DATE 0.09 0.42 -0.33 0.53
SINCE MAR 1 0.66 2.27 -1.61 3.41
SINCE JAN 1 0.93 2.96 -2.03 3.91
SNOWFALL (IN)
YESTERDAY MM 1.2 2014 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
YESTERDAY 6 15 -9 15
MONTH TO DATE 106 115 -9 114
SINCE MAR 1 1231 1674 -443 1604
SINCE JUL 1 5524 7552 -2028 6951
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 14.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 10:00 PM
LOWEST 16 12:00 PM
AVERAGE 50
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 79 2004
MINIMUM TEMPERATURE (F) 37 25 2002
2010
SUNRISE AND SUNSET
MAY 8 2026...........SUNRISE 5:58 AM MDT SUNSET 8:23 PM MDT
MAY 9 2026...........SUNRISE 5:57 AM MDT SUNSET 8:24 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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