Climatological Report (Monthly)
Issued by NWS
Issued by NWS
082
CXUS55 KRIW 012058
CLMLND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
258 PM MDT MON SEP 01 2025
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...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 101 08/05/1979
LOW 23 08/25/1910
HIGHEST 99 08/20
LOWEST 49 08/01
08/09
08/10
AVG. MAXIMUM 86.5 85.8 0.7
AVG. MINIMUM 55.5 53.8 1.7
MEAN 71.0 69.8 1.2
DAYS MAX >= 90 12
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.61 2014
MINIMUM 0.00 1970
TOTALS 0.47 0.52 -0.05 0.74
DAILY AVG. 0.02 0.02 0.00
DAYS >= .01 5
DAYS >= .10 2
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.28 08/27 TO 08/27
STORM TOTAL 0.28
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 3 25 -22
SINCE 7/1 5 37 -32
COOLING TOTAL 195 174 21
SINCE 1/1 527 452 75
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WIND (MPH)
AVERAGE WIND SPEED 6.6
RESULTANT WIND SPEED/DIRECTION 2/270
HIGHEST WIND SPEED/DIRECTION 40/220 DATE 08/14
HIGHEST GUST SPEED/DIRECTION 53/220 DATE 08/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.13
NUMBER OF DAYS FAIR 28
NUMBER OF DAYS PC 2
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 38
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 3
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 3 FOG W/VIS <= 1/4 MILE 1
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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