062
CDUS45 KRIW 310732
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1232 AM MST WED DEC 31 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 30 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 43 3:41 PM 61 2002 29 14 37
MINIMUM 13 8:24 AM -17 2014 6 7 26
AVERAGE 28 17 11 32
PRECIPITATION (IN)
YESTERDAY 0.00 0.14 2000 0.01 -0.01 0.03
MONTH TO DATE 0.24 0.11 0.13 0.23
SINCE DEC 1 0.24 0.11 0.13 0.23
SINCE JAN 1 7.07 5.55 1.52 6.51
DEGREE DAYS
HEATING
YESTERDAY 37 48 -11 33
MONTH TO DATE 958 1369 -411 1072
SINCE DEC 1 958 1369 -411 1072
SINCE JUL 1 2331 3146 -815 2467
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 7 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 1.6
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 84 8:00 AM
LOWEST 36 4:00 PM
AVERAGE 60
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 58 2002
MINIMUM TEMPERATURE (F) 6 -22 2014
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 7:49 AM MST SUNSET 4:42 PM MST
JANUARY 1 2026.......SUNRISE 7:49 AM MST SUNSET 4:43 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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