448
CDUS45 KRIW 220045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE OCT 21 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 21 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 59 3:55 PM 78 2003 55 4 69
MINIMUM 32 7:14 AM 15 1996 29 3 35
AVERAGE 46 42 4 52
PRECIPITATION (IN)
TODAY 0.00 0.16 2006 0.02 -0.02 0.00
MONTH TO DATE 1.43 0.67 0.76 0.11
SINCE SEP 1 2.42 1.44 0.98 0.18
SINCE JAN 1 8.67 7.80 0.87 5.61
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T T
SINCE SEP 1 T T
SINCE JUL 1 T T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 19 23 -4 13
MONTH TO DATE 320 379 -59 212
SINCE SEP 1 417 584 -167 298
SINCE JUL 1 420 620 -200 316
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 37 31 6 68
SINCE JAN 1 611 499 112 610
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53
LOWEST 26
AVERAGE 40
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 73 2003
MINIMUM TEMPERATURE (F) 29 18 2006
2020
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 7:35 AM MDT SUNSET 6:21 PM MDT
OCTOBER 22 2025.......SUNRISE 7:36 AM MDT SUNSET 6:19 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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