Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 210733
CLIGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1233 AM MST FRI NOV 21 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR NOVEMBER 20 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 51 3:07 PM 61 2012 41 10 38
MINIMUM 25 7:31 AM -10 2000 17 8 10
AVERAGE 38 29 9 24
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 1999 0.00 0.00 0.00
2010
MONTH TO DATE 0.04 0.13 -0.09 0.21
SINCE SEP 1 2.58 1.56 1.02 0.97
SINCE JAN 1 6.78 5.38 1.40 6.28
DEGREE DAYS
HEATING
YESTERDAY 27 36 -9 41
MONTH TO DATE 426 623 -197 584
SINCE SEP 1 1019 1367 -348 1029
SINCE JUL 1 1019 1386 -367 1042
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 W (270)
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 1.4
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 96 5:00 AM
LOWEST 52 3:00 PM
AVERAGE 74
..........................................................
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 64 2012
MINIMUM TEMPERATURE (F) 16 -5 2000
SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE 7:17 AM MST SUNSET 4:39 PM MST
NOVEMBER 22 2025......SUNRISE 7:18 AM MST SUNSET 4:38 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$