Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 150735
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT WED OCT 15 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 14 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 55 3:59 PM 78 2024 61 -6 78
MINIMUM 37 6:47 AM 22 2018 34 3 33
AVERAGE 46 48 -2 56
PRECIPITATION (IN)
YESTERDAY T 0.24 2001 0.02 -0.02 0.00
MONTH TO DATE 1.14 0.37 0.77 0.00
SINCE SEP 1 1.79 1.20 0.59 0.38
SINCE JAN 1 5.99 5.02 0.97 5.69
DEGREE DAYS
HEATING
YESTERDAY 19 18 1 9
MONTH TO DATE 171 204 -33 95
SINCE SEP 1 232 373 -141 165
SINCE JUL 1 232 392 -160 178
COOLING
YESTERDAY 0 0 0 0
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 18 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 6:00 AM
LOWEST 53 3:00 PM
AVERAGE 73
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 80 2014
2024
MINIMUM TEMPERATURE (F) 34 17 2018
SUNRISE AND SUNSET
OCTOBER 15 2025.......SUNRISE 7:28 AM MDT SUNSET 6:27 PM MDT
OCTOBER 16 2025.......SUNRISE 7:29 AM MDT SUNSET 6:26 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$