Climatological Report (Daily)
Issued by NWS
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009
CDUS45 KRIW 270732
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT WED AUG 27 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 26 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 89 4:59 PM 100 2007 86 3 63
MINIMUM 54 5:13 AM 41 2004 53 1 52
2005
AVERAGE 72 69 3 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.44 2024 0.01 -0.01 0.44
MONTH TO DATE 0.12 0.17 -0.05 0.59
SINCE JUN 1 1.44 1.41 0.03 2.08
SINCE JAN 1 4.15 3.76 0.39 5.31
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 7
MONTH TO DATE 0 5 -5 7
SINCE JUN 1 46 71 -25 40
SINCE JUL 1 0 9 -9 11
COOLING
YESTERDAY 7 5 2 0
MONTH TO DATE 248 217 31 245
SINCE JUN 1 688 648 40 732
SINCE JAN 1 709 672 37 732
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 2.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 55 4:00 AM
LOWEST 14 6:00 PM
AVERAGE 35
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 99 2011
MINIMUM TEMPERATURE (F) 53 42 2005
SUNRISE AND SUNSET
AUGUST 27 2025........SUNRISE 6:30 AM MDT SUNSET 7:57 PM MDT
AUGUST 28 2025........SUNRISE 6:31 AM MDT SUNSET 7:55 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$