191
CDUS45 KRIW 180729
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST SUN JAN 18 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR JANUARY 17 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 38 4:06 PM 50 2000 31 7 36
2009
MINIMUM 11 7:02 AM -11 1997 8 3 11
AVERAGE 25 19 6 24
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 0.00 0.00 0.11
MONTH TO DATE 0.01 0.14 -0.13 0.35
SINCE DEC 1 0.19 0.40 -0.21 0.40
SINCE JAN 1 0.01 0.14 -0.13 0.35
SNOWFALL (IN)
YESTERDAY 0.0 1.6 2025 1.6
MONTH TO DATE 0.2 5.4
SINCE DEC 1 1.7 6.4
SINCE JUL 1 3.7 10.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 40 46 -6 41
MONTH TO DATE 504 786 -282 806
SINCE DEC 1 1416 2193 -777 1900
SINCE JUL 1 2859 4090 -1231 3417
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 20 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.5
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 64 8:00 AM
LOWEST 27 3:00 PM
AVERAGE 46
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 53 1999
MINIMUM TEMPERATURE (F) 8 -17 1996
SUNRISE AND SUNSET
JANUARY 18 2026.......SUNRISE 7:41 AM MST SUNSET 5:08 PM MST
JANUARY 19 2026.......SUNRISE 7:40 AM MST SUNSET 5:10 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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