Climatological Report (Daily)
Issued by NWS
Issued by NWS
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894
CDUS45 KRIW 110727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT MON AUG 11 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 10 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 85 5:15 PM 103 2022 91 -6 81
MINIMUM 56 6:20 AM 48 2002 58 -2 53
AVERAGE 71 74 -3 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 2005 0.01 -0.01 0.04
MONTH TO DATE 0.06 0.05 0.01 0.07
SINCE JUN 1 1.38 1.29 0.09 1.56
SINCE JAN 1 4.09 3.64 0.45 4.79
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 46 66 -20 33
SINCE JUL 1 0 4 -4 4
COOLING
YESTERDAY 6 9 -3 2
MONTH TO DATE 78 101 -23 95
SINCE JUN 1 518 532 -14 582
SINCE JAN 1 539 556 -17 582
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 5:00 AM
LOWEST 17 5:00 PM
AVERAGE 40
..........................................................
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 2025........SUNRISE 6:11 AM MDT SUNSET 8:23 PM MDT
AUGUST 12 2025........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.
$$