Climatological Report (Monthly)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
825
CXUS55 KRIW 021711
CLMRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1111 AM MDT MON JUN 02 2025
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...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 93 05/29/2003
LOW 19 05/09/2002
HIGHEST 84 05/12
LOWEST 31 05/02
AVG. MAXIMUM 69.1 66.8 2.3
AVG. MINIMUM 40.3 39.5 0.8
MEAN 54.7 53.2 1.5
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 4
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.32 2011
MINIMUM 0.18 2006
TOTALS 1.14 1.92 -0.78 2.29
DAILY AVG. 0.04 0.06 -0.02
DAYS >= .01 8
DAYS >= .10 4
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.53 05/05 TO 05/06
STORM TOTAL 0.36
SNOWFALL (INCHES)
TOTALS 0.9 MM MM
SINCE 7/1 30.7 MM MM
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 319 375 -56
SINCE 7/1 7156 7812 -656
COOLING TOTAL 6 8 -2
SINCE 1/1 6 8 -2
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WIND (MPH)
AVERAGE WIND SPEED 8.5
RESULTANT WIND SPEED/DIRECTION 2/000
HIGHEST WIND SPEED/DIRECTION 39/230 DATE 05/11
HIGHEST GUST SPEED/DIRECTION 51/230 DATE 05/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.26
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 2 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 1
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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