889
CDUS45 KRIW 100727
CLIWRL
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1227 AM MST WED DEC 10 2025
...............................
..THE WORLAND WY CLIMATE SUMMARY FOR DECEMBER 9 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1947 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 2:54 PM 57 2020 33 23 35
MINIMUM 25 7:43 AM -32 1972 6 19 20
AVERAGE 41 19 22
PRECIPITATION (IN)
YESTERDAY 0.00 0.15 1985 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.06 -0.06 0.00
SINCE DEC 1 0.00 0.06 -0.06 0.00
SINCE JAN 1 6.82 7.61 -0.79 4.35
DEGREE DAYS
HEATING
YESTERDAY 24 46 -22 37
MONTH TO DATE 319 398 -79 299
SINCE DEC 1 319 398 -79 299
SINCE JUL 1 1752 2305 -553 1855
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 561 528 33 544
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 7:00 AM
LOWEST 38 3:00 PM
AVERAGE 61
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THE WORLAND WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 64 1981
MINIMUM TEMPERATURE (F) 6 -36 1972
SUNRISE AND SUNSET
DECEMBER 10 2025......SUNRISE 7:36 AM MST SUNSET 4:34 PM MST
DECEMBER 11 2025......SUNRISE 7:37 AM MST SUNSET 4:34 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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