Climatological Report (Monthly)
Issued by NWS
Issued by NWS
635
CXUS55 KRIW 010746
CLMGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1246 AM MST MON DEC 01 2025
...................................
...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 73 11/01/2014
11/08/1999
11/06/1999
LOW -22 11/16/2014
HIGHEST 66 11/13
11/15
LOWEST 6 11/29
11/30
AVG. MAXIMUM 52.3 43.5 8.8
AVG. MINIMUM 25.3 18.9 6.4
MEAN 38.8 31.2 7.6
DAYS MAX >= 90 0
DAYS MAX <= 32 2
DAYS MIN <= 32 23
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 0.80 2002
MINIMUM 0.00 2009
TOTALS 0.09 0.19 -0.10 0.21
DAILY AVG. 0.00 0.01 -0.01
DAYS >= .01 3
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.05 11/24 TO 11/24
STORM TOTAL 0.05
SNOWFALL (INCHES)
TOTALS MM MM MM
SINCE 7/1 MM MM MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 780 1014 -234
SINCE 7/1 1373 1776 -403
COOLING TOTAL 0 0 0
SINCE 1/1 791 744 47
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WIND (MPH)
AVERAGE WIND SPEED 4.7
RESULTANT WIND SPEED/DIRECTION 1/320
HIGHEST WIND SPEED/DIRECTION 45/330 DATE 11/28
HIGHEST GUST SPEED/DIRECTION 60/330 DATE 11/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.21
NUMBER OF DAYS FAIR 23
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 64
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 2 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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