Climatological Report (Monthly)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
080
CXUS55 KRIW 012058
CLMRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
258 PM MDT MON SEP 01 2025
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...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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
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TEMPERATURE (F)
RECORD
HIGH 99 08/14/2003
08/06/2001
LOW 36 08/31/2020
HIGHEST 99R 08/20
LOWEST 47 08/09
AVG. MAXIMUM 86.8 85.5 1.3
AVG. MINIMUM 55.6 53.7 1.9
MEAN 71.2 69.6 1.6
DAYS MAX >= 90 10
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.36 2023
MINIMUM 0.01 2020
TOTALS 0.52 0.42 0.10 0.32
DAILY AVG. 0.02 0.01 0.01
DAYS >= .01 4
DAYS >= .10 1
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.40 08/27 TO 08/27
STORM TOTAL 0.40
SNOWFALL (INCHES)
TOTALS 0.0 MM MM
SINCE 7/1 0.0 MM MM
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 3 26 -23
SINCE 7/1 3 34 -31
COOLING TOTAL 183 169 14
SINCE 1/1 574 468 106
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WIND (MPH)
AVERAGE WIND SPEED 8.3
RESULTANT WIND SPEED/DIRECTION 2/010
HIGHEST WIND SPEED/DIRECTION 48/210 DATE 08/15
HIGHEST GUST SPEED/DIRECTION 68/200 DATE 08/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.10
NUMBER OF DAYS FAIR 29
NUMBER OF DAYS PC 2
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 39
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 2 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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