Climatological Report (Daily)
Issued by NWS
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061
CDUS45 KRIW 300732
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT SAT AUG 30 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 29 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 81 5:00 PM 100 2012 85 -4 81
MINIMUM 59 6:23 AM 42 2018 52 7 44
AVERAGE 70 68 2 63
PRECIPITATION (IN)
YESTERDAY T R T 2010 0.01 -0.01 0.00
2010
2014
MONTH TO DATE 0.12 0.20 -0.08 0.59
SINCE JUN 1 1.44 1.44 0.00 2.08
SINCE JAN 1 4.15 3.79 0.36 5.31
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 2
MONTH TO DATE 0 8 -8 9
SINCE JUN 1 46 74 -28 42
SINCE JUL 1 0 12 -12 13
COOLING
YESTERDAY 5 5 0 0
MONTH TO DATE 269 232 37 246
SINCE JUN 1 709 663 46 733
SINCE JAN 1 730 687 43 733
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 6:00 AM
LOWEST 29 4:00 PM
AVERAGE 55
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 1999
MINIMUM TEMPERATURE (F) 51 43 2005
SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE 6:33 AM MDT SUNSET 7:52 PM MDT
AUGUST 31 2025........SUNRISE 6:34 AM MDT SUNSET 7:50 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$