804
CXUS55 KRIW 031848
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 PM MDT MON AUG 03 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF JULY 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JULY 2026 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 DRIER AND WARMER THAN NORMAL IN JULY
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN JULY WAS 74.4 DEGREES
WHICH WAS 5 DEGREES ABOVE NORMAL. IT WAS THE WARMEST JULY ON RECORD.
THE WARMEST READING FOR THE MONTH WAS 98 DEGREES ON THE 12TH AND
BROKE THE 2024 RECORD OF 96. THE 26TH ALSO HIT 98 DEGREES AND BROKE
93 FROM 2010 AND 2021. THESE TWO RECORD HIGHS OF 98 DEGREES TIE THE
ALL-TIME RECORD HIGH FOR JULY AND FOR THE YEAR...PREVIOUS RECORD WAS
SET ON JULY 13TH 2002. THE 11TH HIGH OF 96 TIED 2024. THE 14TH HIT
97 DEGREES AND BROKE THE 2002 RECORD OF 96. THE 24TH HIT 96 AND
BROKE 94 FROM 2003 AND 2023. THE 25TH HIGH OF 94 BROKE 92 FROM 2011.
THE COLDEST TEMPERATURE WAS 43 DEGREES ON THE 1ST.
PRECIPITATION FOR THE MONTH WAS 0.12 INCHES...WHICH WAS 26 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 29TH WITH 0.04
INCHES. NO PRECIPITATION RECORDS WERE BROKEN. THE HIGHEST WIND GUST
WAS 63 MPH FROM THE SOUTHWEST ON THE 7TH.
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF JULY 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 98 07/13/2002
LOW 35 07/04/1972
HIGHEST 98R 07/12
07/26
LOWEST 43 07/01
AVG. MAXIMUM 90.5R 84.1 6.4
AVG. MINIMUM 58.4R 54.8 3.6
MEAN 74.4R 69.4 5.0
DAYS MAX >= 90 18
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.67 1973
MINIMUM T 2008
TOTALS 0.12 0.47 -0.35 0.38
DAILY AVG. 0.00 0.02 -0.02
DAYS >= .01 4
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.04 07/29 TO 07/29
STORM TOTAL 0.04
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 4 21 -17
SINCE 7/1 4 16 -12
COOLING TOTAL 306 159 147
SINCE 1/1 347 200 147
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 8.5
RESULTANT WIND SPEED/DIRECTION 3/260
HIGHEST WIND SPEED/DIRECTION 41/230 DATE 07/07
41/260 07/08
HIGHEST GUST SPEED/DIRECTION 63/230 DATE 07/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.13
NUMBER OF DAYS FAIR 27
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 35
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 3
LIGHT RAIN 10 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 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 AUGUST 2026. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 85 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 55 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 77
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 49. THE AVERAGE MONTHLY
PRECIPITATION IS 0.56 INCHES.
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