558
CDUS45 KRIW 210727
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT TUE OCT 21 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 20 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 51 2:43 PM 76 2003 56 -5 62
MINIMUM MM MM 21 1996 30 MM 29
AVERAGE MM 43 MM 46
PRECIPITATION (IN)
YESTERDAY 0.00 0.20 0.02 -0.02 0.00
MONTH TO DATE 1.43 0.65 0.78 0.11
SINCE SEP 1 2.42 1.42 1.00 0.18
SINCE JAN 1 8.67 7.78 0.89 5.61
SNOWFALL (IN)
YESTERDAY 0.0 4.9 1996 0.0
MONTH TO DATE T T
SINCE SEP 1 T T
SINCE JUL 1 T T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY MM 22 MM 19
MONTH TO DATE 280 356 -76 199
SINCE SEP 1 377 561 -184 285
SINCE JUL 1 380 597 -217 303
COOLING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 37 31 6 68
SINCE JAN 1 611 499 112 610
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WIND (MPH)
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 23.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 44 10:00 PM
LOWEST 23 2:00 PM
AVERAGE 34
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 78 2003
MINIMUM TEMPERATURE (F) 29 15 1996
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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