Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 031753
CLMGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1053 AM MST WED JAN 03 2024
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...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 63 12/11/2004
LOW -36 12/22/2022
HIGHEST 49 12/21
LOWEST 0 12/25
AVG. MAXIMUM 39.0 30.8 8.2
AVG. MINIMUM 12.6 7.9 4.7
MEAN 25.8 19.3 6.5
DAYS MAX >= 90 0
DAYS MAX <= 32 5
DAYS MIN <= 32 31
DAYS MIN <= 0 1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 0.49 1999
MINIMUM 0.01 2021
TOTALS TR 0.11 -0.11 0.03
DAILY AVG. T 0.00 -0.00
DAYS >= .01 0
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL T 12/03 TO 12/03
12/07 TO 12/07
12/09 TO 12/09
STORM TOTAL 0.00
DEGREE DAYS
HEATING TOTAL 1205 1415 -210
SINCE 7/1 2810 3194 -384
COOLING TOTAL 0 0 0
SINCE 1/1 702 744 -42
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WIND (MPH)
AVERAGE WIND SPEED 3.7
RESULTANT WIND SPEED/DIRECTION 0/290
HIGHEST WIND SPEED/DIRECTION 44/340 DATE 12/23
HIGHEST GUST SPEED/DIRECTION 60/340 DATE 12/23
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.18
NUMBER OF DAYS FAIR 24
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 0 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 2 SLEET 0
FOG 3 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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