Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 010731
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1231 AM MST MON DEC 01 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR NOVEMBER 30 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 26 4:00 PM 66 1999 36 -10 35
MINIMUM 6 1:35 AM -18 2006 12 -6 12
2014
AVERAGE 16 24 -8 24
PRECIPITATION (IN)
YESTERDAY 0.00 0.13 2018 0.00 0.00 0.00
MONTH TO DATE 0.09 0.19 -0.10 0.21
SINCE SEP 1 2.63 1.62 1.01 0.97
SINCE JAN 1 6.83 5.44 1.39 6.28
DEGREE DAYS
HEATING
YESTERDAY 49 41 8 41
MONTH TO DATE 780 1013 -233 937
SINCE SEP 1 1373 1757 -384 1382
SINCE JUL 1 1373 1776 -403 1395
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 50 48 2 91
SINCE JAN 1 791 744 47 832
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 6:00 AM
LOWEST 42 3:00 PM
AVERAGE 61
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 64 1998
MINIMUM TEMPERATURE (F) 12 -21 2014
SUNRISE AND SUNSET
DECEMBER 1 2025......SUNRISE 7:29 AM MST SUNSET 4:34 PM MST
DECEMBER 2 2025......SUNRISE 7:30 AM MST SUNSET 4:33 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$