607
CDUS45 KRIW 260732
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT WED AUG 26 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 25 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 88 2:58 PM 99 2008 86 2 89
MINIMUM 60 11:59 PM 45 2005 53 7 51
AVERAGE 74 70 4 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.08 2024 0.01 -0.01 0.00
MONTH TO DATE 0.17 0.16 0.01 0.12
SINCE JUN 1 0.91 1.40 -0.49 1.44
SINCE JAN 1 2.33 3.75 -1.42 4.15
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 4 -3 0
SINCE JUN 1 45 70 -25 46
SINCE JUL 1 1 8 -7 0
COOLING
YESTERDAY 9 6 3 5
MONTH TO DATE 221 212 9 241
SINCE JUN 1 721 643 78 681
SINCE JAN 1 767 667 100 702
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 50 11:00 PM
LOWEST 19 6:00 PM
AVERAGE 35
......................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 100 2007
MINIMUM TEMPERATURE (F) 53 41 2004
2005
SUNRISE AND SUNSET
AUGUST 26 2026........SUNRISE 6:28 AM MDT SUNSET 7:59 PM MDT
AUGUST 27 2026........SUNRISE 6:29 AM MDT SUNSET 7:57 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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