Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 100728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN AUG 10 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 9 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 82 4:29 PM 100 2000 91 -9 78
2006
MINIMUM 47R 5:16 AM 50 2002 58 -11 58
2009
AVERAGE 65 74 -9 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.06 2005 0.00 0.00 T
MONTH TO DATE 0.06 0.04 0.02 0.03
SINCE JUN 1 1.38 1.28 0.10 1.52
SINCE JAN 1 4.09 3.63 0.46 4.75
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 46 66 -20 33
SINCE JUL 1 0 4 -4 4
COOLING
YESTERDAY 0 10 -10 3
MONTH TO DATE 72 92 -20 93
SINCE JUN 1 512 523 -11 580
SINCE JAN 1 533 547 -14 580
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.3
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 61 4:00 AM
LOWEST 19 2:00 PM
AVERAGE 40
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 103 2022
MINIMUM TEMPERATURE (F) 58 48 2002
SUNRISE AND SUNSET
AUGUST 10 2025........SUNRISE 6:10 AM MDT SUNSET 8:25 PM MDT
AUGUST 11 2025........SUNRISE 6:11 AM MDT SUNSET 8:23 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$