078
CDUS45 KRIW 190731
CLIWRL
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1231 AM MST FRI DEC 19 2025
...............................
..THE WORLAND WY CLIMATE SUMMARY FOR DECEMBER 18 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 39 3:22 PM 55 1966 30 9 41
MINIMUM 17 7:35 AM -27 1964 4 13 9
AVERAGE 28 17 11
PRECIPITATION (IN)
YESTERDAY 0.00 0.10 1998 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.11 -0.11 T
SINCE DEC 1 0.00 0.11 -0.11 T
SINCE JAN 1 6.82 7.66 -0.84 4.35
DEGREE DAYS
HEATING
YESTERDAY 37 48 -11 40
MONTH TO DATE 590 821 -231 649
SINCE DEC 1 590 821 -231 649
SINCE JUL 1 2023 2728 -705 2205
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.9
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 56 11:00 PM
LOWEST 20 12:00 AM
AVERAGE 38
......................................................
THE WORLAND WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 50 1994
2003
MINIMUM TEMPERATURE (F) 4 -22 1992
SUNRISE AND SUNSET
DECEMBER 19 2025......SUNRISE 7:42 AM MST SUNSET 4:36 PM MST
DECEMBER 20 2025......SUNRISE 7:43 AM MST SUNSET 4:36 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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