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CDUS45 KRIW 110731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT TUE AUG 11 2026
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 10 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 97 3:17 PM 103 2022 91 6 85
MINIMUM 55 5:43 AM 48 2002 58 -3 56
AVERAGE 76 74 2 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 2005 0.01 -0.01 0.00
MONTH TO DATE 0.00 0.05 -0.05 0.06
SINCE JUN 1 0.74 1.29 -0.55 1.38
SINCE JAN 1 2.16 3.64 -1.48 4.09
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 45 66 -21 46
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY 11 9 2 6
MONTH TO DATE 98 101 -3 78
SINCE JUN 1 598 532 66 518
SINCE JAN 1 644 556 88 539
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 51 5:00 AM
LOWEST 11 4:00 PM
AVERAGE 31
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 104 2018
MINIMUM TEMPERATURE (F) 58 51 2002
2009
SUNRISE AND SUNSET
AUGUST 11 2026........SUNRISE 6:11 AM MDT SUNSET 8:23 PM MDT
AUGUST 12 2026........SUNRISE 6:12 AM MDT SUNSET 8:22 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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