Climatological Report (Daily)
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CDUS45 KRIW 010728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT MON SEP 01 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 31 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 88 MM 98 2022 84 4 92
MINIMUM 51 MM 36 2005 51 0 48
AVERAGE 70 68 2 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.14 2008 0.01 -0.01 0.00
MONTH TO DATE 0.17 0.23 -0.06 0.59
SINCE JUN 1 1.49 1.47 0.02 2.08
SINCE JAN 1 4.20 3.82 0.38 5.31
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 12 -12 9
SINCE JUN 1 46 78 -32 42
SINCE JUL 1 0 16 -16 13
COOLING
YESTERDAY 5 4 1 5
MONTH TO DATE 280 241 39 254
SINCE JUN 1 720 672 48 741
SINCE JAN 1 741 696 45 741
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 3:00 AM
LOWEST 10 3:00 PM
AVERAGE 41
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 100 2022
MINIMUM TEMPERATURE (F) 51 40 2020
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 6:35 AM MDT SUNSET 7:48 PM MDT
SEPTEMBER 2 2025.....SUNRISE 6:37 AM MDT SUNSET 7:46 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$