835
CDUS45 KRIW 230731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1231 AM MST TUE DEC 23 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 22 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 51 2:53 PM 54 2020 29 22 46
MINIMUM 22 7:57 AM -36 2022 6 16 22
AVERAGE 37 18 19 34
PRECIPITATION (IN)
YESTERDAY 0.00 0.20 1999 0.00 0.00 0.00
MONTH TO DATE 0.20 0.08 0.12 T
SINCE DEC 1 0.20 0.08 0.12 T
SINCE JAN 1 7.03 5.52 1.51 6.28
DEGREE DAYS
HEATING
YESTERDAY 28 47 -19 31
MONTH TO DATE 706 988 -282 766
SINCE DEC 1 706 988 -282 766
SINCE JUL 1 2079 2765 -686 2161
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 791 744 47 832
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 3.9
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 96 10:00 PM
LOWEST 50 2:00 PM
AVERAGE 73
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 56 2021
MINIMUM TEMPERATURE (F) 6 -27 2022
SUNRISE AND SUNSET
DECEMBER 23 2025......SUNRISE 7:47 AM MST SUNSET 4:37 PM MST
DECEMBER 24 2025......SUNRISE 7:47 AM MST SUNSET 4:37 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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