640
CDUS45 KRIW 250730
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT TUE AUG 25 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 24 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 92 3:56 PM 98 2020 87 5 87
MINIMUM 57 5:49 AM 43 2015 54 3 53
AVERAGE 75 70 5 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.03 2022 0.01 -0.01 T
MONTH TO DATE 0.17 0.15 0.02 0.12
SINCE JUN 1 0.91 1.39 -0.48 1.44
SINCE JAN 1 2.33 3.74 -1.41 4.15
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 3 -2 0
SINCE JUN 1 45 69 -24 46
SINCE JUL 1 1 7 -6 0
COOLING
YESTERDAY 10 6 4 5
MONTH TO DATE 212 206 6 236
SINCE JUN 1 712 637 75 676
SINCE JAN 1 758 661 97 697
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 5.7
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 65 6:00 AM
LOWEST 16 4:00 PM
AVERAGE 41
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 99 2008
MINIMUM TEMPERATURE (F) 53 45 2005
SUNRISE AND SUNSET
AUGUST 25 2026........SUNRISE 6:27 AM MDT SUNSET 8:01 PM MDT
AUGUST 26 2026........SUNRISE 6:28 AM MDT SUNSET 7:59 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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