325
CDUS45 KRIW 290730
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT FRI AUG 29 2025
...............................
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 28 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 2:47 PM 98 2012 85 0 80
MINIMUM 59 6:35 AM 42 2004 52 7 50
AVERAGE 72 69 3 65
PRECIPITATION (IN)
YESTERDAY T 0.25 2018 0.01 -0.01 0.00
MONTH TO DATE 0.12 0.19 -0.07 0.59
SINCE JUN 1 1.44 1.43 0.01 2.08
SINCE JAN 1 4.15 3.78 0.37 5.31
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 7 -7 7
SINCE JUN 1 46 73 -27 40
SINCE JUL 1 0 11 -11 11
COOLING
YESTERDAY 7 5 2 0
MONTH TO DATE 264 227 37 246
SINCE JUN 1 704 658 46 733
SINCE JAN 1 725 682 43 733
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 5:00 PM
LOWEST 28 3:00 PM
AVERAGE 52
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THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 2012
MINIMUM TEMPERATURE (F) 52 42 2018
SUNRISE AND SUNSET
AUGUST 29 2025........SUNRISE 6:32 AM MDT SUNSET 7:53 PM MDT
AUGUST 30 2025........SUNRISE 6:33 AM MDT SUNSET 7:52 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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