Climatological Report (Daily)
Issued by NWS
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082
CDUS45 KRIW 220726
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT FRI AUG 22 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 21 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 93 2:33 PM 101 2023 88 5 101
2024
MINIMUM 66 6:12 AM 47 2016 55 11 54
2021
AVERAGE 80 71 9 78
PRECIPITATION (IN)
YESTERDAY 0.00 T 2007 0.01 -0.01 0.00
2007
2014
MONTH TO DATE 0.12 0.12 0.00 0.07
SINCE JUN 1 1.44 1.36 0.08 1.56
SINCE JAN 1 4.15 3.71 0.44 4.79
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 15 7 8 13
MONTH TO DATE 215 188 27 199
SINCE JUN 1 655 619 36 686
SINCE JAN 1 676 643 33 686
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.4
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 48 10:00 PM
LOWEST 22 1:00 PM
AVERAGE 35
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 2011
2020
2023
MINIMUM TEMPERATURE (F) 54 46 2015
SUNRISE AND SUNSET
AUGUST 22 2025........SUNRISE 6:24 AM MDT SUNSET 8:06 PM MDT
AUGUST 23 2025........SUNRISE 6:25 AM MDT SUNSET 8:04 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$