Climatological Report (Daily)
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075
CDUS45 KRIW 310728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN AUG 31 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 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 84 2:57 PM 98 1999 85 -1 88
MINIMUM 58 11:59 PM 43 2005 51 7 48
AVERAGE 71 68 3 68
PRECIPITATION (IN)
YESTERDAY 0.05 0.06 1999 0.02 0.03 0.00
MONTH TO DATE 0.17 0.22 -0.05 0.59
SINCE JUN 1 1.49 1.46 0.03 2.08
SINCE JAN 1 4.20 3.81 0.39 5.31
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 10 -10 9
SINCE JUN 1 46 76 -30 42
SINCE JUL 1 0 14 -14 13
COOLING
YESTERDAY 6 4 2 3
MONTH TO DATE 275 236 39 249
SINCE JUN 1 715 667 48 736
SINCE JAN 1 736 691 45 736
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 7:00 AM
LOWEST 22 5:00 PM
AVERAGE 54
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 2022
MINIMUM TEMPERATURE (F) 51 36 2005
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 6:34 AM MDT SUNSET 7:50 PM MDT
SEPTEMBER 1 2025.....SUNRISE 6:35 AM MDT SUNSET 7:48 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$