088
CXUS55 KRIW 012117
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
258 PM MDT MON SEP 01 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF AUGUST 2025...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF AUGUST 2025 WILL BE
AVAILABLE IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW
..ROCK SPRINGS WAS WARMER AND DRIER THAN NORMAL IN AUGUST
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN AUGUST WAS 68.5 DEGREES
WHICH WAS 1.2 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE
MONTH WAS 95 DEGREES ON THE 20TH. THIS BROKE THE 2003 RECORD OF 90.
THE HIGH ON THE 19TH OF 91 BROKE THE RECORD OF 90 DEGREES PREVIOUSLY
SET IN 1973, 2013 AND 2020. THE COLDEST TEMPERATURE WAS 43 DEGREES
ON THE 9TH AND 10TH.
PRECIPITATION FOR THE MONTH WAS 0.23 INCHES...WHICH WAS 41 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 27TH WITH 0.20
INCHES. THIS BROKE THE 2011 RECORD OF 0.09. THE HIGHEST WIND GUST
WAS 63 MPH FROM THE SOUTHWEST ON THE 13TH
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST
2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 96 08/14/2003
LOW 33 08/31/1962
HIGHEST 95 08/20
LOWEST 43 08/09
08/10
AVG. MAXIMUM 83.7 81.5 2.2
AVG. MINIMUM 53.3 53.1 0.2
MEAN 68.5 67.3 1.2
DAYS MAX >= 90 6
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.12 1963
MINIMUM 0.01 2012
TOTALS 0.23 0.56 -0.33 0.85
DAILY AVG. 0.01 0.02 -0.01
DAYS >= .01 3
DAYS >= .10 1
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.20 08/27 TO 08/27
STORM TOTAL 0.20
SNOWFALL (INCHES)
TOTALS MM 0.0 MM
SINCE 7/1 MM 0.0 MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 18 38 -20
SINCE 7/1 18 56 -38
COOLING TOTAL 136 109 27
SINCE 1/1 422 309 113
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 8.6
RESULTANT WIND SPEED/DIRECTION 4/250
HIGHEST WIND SPEED/DIRECTION 43/250 DATE 08/02
HIGHEST GUST SPEED/DIRECTION 63/210 DATE 08/02
63/230 08/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.17
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 35
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 1 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO SEPTEMBER 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 77 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 49 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 64
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 39. THE AVERAGE MONTHLY
PRECIPITATION IS 0.79 INCHES.
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