229
CDUS45 KRIW 090045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI MAY 08 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 8 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 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)
TODAY 0.00 0.38 2003 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)
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 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
TODAY 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 14 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.6
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 93
LOWEST 23
AVERAGE 58
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 81 2012
MINIMUM TEMPERATURE (F) 37 19 2002
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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page