Climatological Report (Daily)
Issued by NWS
Issued by NWS
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581
CDUS45 KRIW 120728
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN OCT 12 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 11 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 76 3:21 PM 82 2024 62 14 82
MINIMUM 47 11:59 PM 16 2019 35 12 51
AVERAGE 62 49 13 67
PRECIPITATION (IN)
YESTERDAY 0.09 0.49 2021 0.02 0.07 0.00
MONTH TO DATE 1.14 0.30 0.84 0.00
SINCE SEP 1 1.79 1.13 0.66 0.38
SINCE JAN 1 5.99 4.95 1.04 5.69
DEGREE DAYS
HEATING
YESTERDAY 3 16 -13 0
MONTH TO DATE 107 152 -45 72
SINCE SEP 1 168 321 -153 142
SINCE JUL 1 168 340 -172 155
COOLING
YESTERDAY 0 0 0 2
MONTH TO DATE 0 0 0 2
SINCE SEP 1 50 46 4 91
SINCE JAN 1 791 742 49 832
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 40 2:00 PM
AVERAGE 67
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 77 2024
MINIMUM TEMPERATURE (F) 35 18 2009
SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE 7:24 AM MDT SUNSET 6:32 PM MDT
OCTOBER 13 2025.......SUNRISE 7:25 AM MDT SUNSET 6:31 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$