Climatological Report (Monthly)
Issued by NWS
Issued by NWS
636
CXUS55 KRIW 010746
CLMP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1246 AM MST MON DEC 01 2025
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...THE LAKE YELLOWSTONE 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 57 11/01/2014
11/12/1999
11/07/1999
LOW -23 11/25/2010
HIGHEST 53 11/03
LOWEST -8 11/29
AVG. MAXIMUM 39.8 32.0 7.8
AVG. MINIMUM 19.8 11.0 8.8
MEAN 29.8 21.5 8.3
DAYS MAX >= 90 0
DAYS MAX <= 32 5
DAYS MIN <= 32 30
DAYS MIN <= 0 2
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.18 2017
MINIMUM 0.42 2000
TOTALS 1.09 2.06 -0.97 1.16
DAILY AVG. 0.04 0.07 -0.03
DAYS >= .01 12
DAYS >= .10 5
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.21 11/05 TO 11/06
STORM TOTAL 0.20
SNOWFALL (INCHES)
TOTALS MM MM MM
SINCE 7/1 MM MM MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 1049 1305 -256
SINCE 7/1 2958 3506 -548
COOLING TOTAL 0 0 0
SINCE 1/1 1 0 1
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WIND (MPH)
AVERAGE WIND SPEED 2.4
RESULTANT WIND SPEED/DIRECTION 0/260
HIGHEST WIND SPEED/DIRECTION 18/260 DATE 11/02
HIGHEST GUST SPEED/DIRECTION 35/300 DATE 11/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.00
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 0
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 5 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 5 SLEET 0
FOG 0 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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