026
CDUS45 KRIW 220732
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT MON SEP 22 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 21 2025
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)
YESTERDAY
MAXIMUM 80 2:46 PM 84 2001 71 9 64
MINIMUM 51 5:57 AM 30 2000 43 8 41
AVERAGE 66 57 9 53
PRECIPITATION (IN)
YESTERDAY T 0.37 0.03 -0.03 0.00
MONTH TO DATE 0.08 0.46 -0.38 0.07
SINCE SEP 1 0.08 0.46 -0.38 0.07
SINCE JAN 1 6.33 6.82 -0.49 5.50
SNOWFALL (IN)
YESTERDAY 0.0 0.5 2000 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 12
MONTH TO DATE 55 108 -53 59
SINCE SEP 1 55 108 -53 59
SINCE JUL 1 58 144 -86 77
COOLING
YESTERDAY 1 0 1 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 38 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 12.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 9:00 PM
LOWEST 20 2:00 PM
AVERAGE 37
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 86 2007
MINIMUM TEMPERATURE (F) 42 25 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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