651
CDUS45 KRIW 200729
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST TUE JAN 20 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR JANUARY 19 2026
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)
YESTERDAY
MAXIMUM 37 4:17 PM 57 2009 31 6 5
MINIMUM 13 7:11 AM -14 2025 8 5 -14
AVERAGE 25 20 5 -4
PRECIPITATION (IN)
YESTERDAY 0.00 0.02 0.01 -0.01 0.01
MONTH TO DATE 0.01 0.16 -0.15 0.39
SINCE DEC 1 0.19 0.42 -0.23 0.44
SINCE JAN 1 0.01 0.16 -0.15 0.39
SNOWFALL (IN)
YESTERDAY 0.0 0.8 2011 0.3
MONTH TO DATE 0.2 6.0
SINCE DEC 1 1.7 7.0
SINCE JUL 1 3.7 10.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 40 46 -6 69
MONTH TO DATE 581 878 -297 939
SINCE DEC 1 1493 2285 -792 2033
SINCE JUL 1 2936 4182 -1246 3550
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 7:00 AM
LOWEST 32 4:00 PM
AVERAGE 56
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 49 2021
MINIMUM TEMPERATURE (F) 8 -19 2025
SUNRISE AND SUNSET
JANUARY 20 2026.......SUNRISE 7:39 AM MST SUNSET 5:11 PM MST
JANUARY 21 2026.......SUNRISE 7:39 AM MST SUNSET 5:12 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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