555
CXUS55 KRIW 011533
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
919 AM MDT WED JUL 01 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF JUNE 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JUNE 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 JUNE
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN JUNE WAS 62.5 DEGREES
WHICH WAS 1.5 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE
MONTH WAS 90 DEGREES ON THE 24TH. THE COLDEST TEMPERATURE WAS 33
DEGREES ON THE 11TH. NO TEMPERATURE RECORDS WERE BROKEN.
PRECIPITATION FOR THE MONTH WAS 0.24 INCHES...WHICH WAS 34 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 24TH-25TH WITH 0.15
INCHES. NO PRECIPITATION RECORDS WERE BROKEN. THE HIGHEST WIND GUST
WAS 66 MPH FROM THE NORTHWEST ON THE 20TH.
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF JUNE 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 96 06/23/1954
LOW 26 06/03/1951
06/02/1951
HIGHEST 90 06/24
LOWEST 33 06/11
AVG. MAXIMUM 79.1 75.0 4.1
AVG. MINIMUM 46.0 47.0 -1.0
MEAN 62.5 61.0 1.5
DAYS MAX >= 90 1
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.49 1969
MINIMUM 0.00 1956
TOTALS 0.24 0.70 -0.46 0.02
DAILY AVG. 0.01 0.02 -0.01
DAYS >= .01 6
DAYS >= .10 1
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.15 06/24 TO 06/25
STORM TOTAL 0.11
SNOWFALL (INCHES)
TOTALS MM 0.4 MM
SINCE 7/1 MM 54.0 MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 107 159 -52
SINCE 7/1 6153 8063 -1910
COOLING TOTAL 39 39 0
SINCE 1/1 41 41 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 12.7
RESULTANT WIND SPEED/DIRECTION 7/260
HIGHEST WIND SPEED/DIRECTION 48/310 DATE 06/20
HIGHEST GUST SPEED/DIRECTION 66/320 DATE 06/20
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.14
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 36
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 12 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 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO JULY 2026. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 81 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 52 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 85
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 56. THE AVERAGE MONTHLY
PRECIPITATION IS 0.47 INCHES.
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