052
CDUS45 KRIW 230045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON SEP 22 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 22 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 61 8:33 AM 86 2007 71 -10 73
MINIMUM 46 4:59 PM 25 2000 42 4 35
AVERAGE 54 56 -2 54
PRECIPITATION (IN)
TODAY 0.84R 0.43 2017 0.03 0.81 0.00
MONTH TO DATE 0.92 0.49 0.43 0.07
SINCE SEP 1 0.92 0.49 0.43 0.07
SINCE JAN 1 7.17 6.85 0.32 5.50
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.0 0.0
SINCE SEP 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 11 9 2 11
MONTH TO DATE 66 117 -51 70
SINCE SEP 1 66 117 -51 70
SINCE JUL 1 69 153 -84 88
COOLING
TODAY 0 0 0 0
MONTH TO DATE 37 28 9 47
SINCE SEP 1 37 28 9 47
SINCE JAN 1 611 496 115 589
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 15.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 46
AVERAGE 71
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 87 2015
MINIMUM TEMPERATURE (F) 42 24 2000
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 7:01 AM MDT SUNSET 7:10 PM MDT
SEPTEMBER 23 2025.....SUNRISE 7:03 AM MDT SUNSET 7:09 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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