Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 230727
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT AUG 23 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 22 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 3:42 PM 98 2011 87 -2 95
2020
2023
MINIMUM 63 6:14 AM 46 2015 54 9 53
AVERAGE 74 71 3 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 2007 0.01 -0.01 0.00
2007
2014
MONTH TO DATE 0.12 0.13 -0.01 0.07
SINCE JUN 1 1.44 1.37 0.07 1.56
SINCE JAN 1 4.15 3.72 0.43 4.79
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 1 -1 0
SINCE JUN 1 46 67 -21 33
SINCE JUL 1 0 5 -5 4
COOLING
YESTERDAY 9 6 3 9
MONTH TO DATE 224 194 30 208
SINCE JUN 1 664 625 39 695
SINCE JAN 1 685 649 36 695
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 6:00 AM
LOWEST 31 3:00 PM
AVERAGE 44
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 2006
MINIMUM TEMPERATURE (F) 54 38 2015
SUNRISE AND SUNSET
AUGUST 23 2025........SUNRISE 6:25 AM MDT SUNSET 8:04 PM MDT
AUGUST 24 2025........SUNRISE 6:26 AM MDT SUNSET 8:02 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$