Climatological Report (Monthly)
Issued by NWS
Issued by NWS
803
CXUS55 KRIW 011704
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1041 AM MDT TUE JUL 01 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF JUNE 2025...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JUNE 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 MUCH DRIER THAN NORMAL IN JUNE...
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN JUNE WAS 65.4 DEGREES
WHICH WAS 4.4 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE
MONTH WAS 93 DEGREES ON THE 19TH AND BROKE THE 1989 RECORD OF 91.
THE 1ST HIGH OF 86 BROKE THE 2020 RECORD OF 85. THE COLDEST
TEMPERATURE WAS 33 DEGREES ON THE 23RD AND BROKE 37 DEGREES FROM
2003.
PRECIPITATION FOR THE MONTH WAS 0.02 INCHES...WHICH WAS JUST 3
PERCENT OF NORMAL. SINCE RECORDS BEGAN IN 1948 THIS WAS THE 2ND
DRIEST JUNE...TIED WITH 2017. THE WETTEST 24-HOUR PERIOD WAS ON THE
6TH WITH 0.01 INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS
MONTH.. THE HIGHEST WIND GUST WAS 56 MPH FROM THE SOUTH ON THE 12TH
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF JUNE 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 06/23/1954
LOW 26 06/03/1951
06/02/1951
HIGHEST 93 06/19
LOWEST 33 06/23
AVG. MAXIMUM 81.7 75.0 6.7
AVG. MINIMUM 49.1 47.0 2.1
MEAN 65.4 61.0 4.4
DAYS MAX >= 90 3
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.49 1969
MINIMUM 0.00 1956
TOTALS 0.02 0.70 -0.68 0.25
DAILY AVG. 0.00 0.02 -0.02
DAYS >= .01 2
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.01 06/12 TO 06/12
06/06 TO 06/06
06/12 TO 06/12
STORM TOTAL 0.01
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 69 159 -90
SINCE 7/1 7071 8063 -992
COOLING TOTAL 91 39 52
SINCE 1/1 95 41 54
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 10.4
RESULTANT WIND SPEED/DIRECTION 5/260
HIGHEST WIND SPEED/DIRECTION 40/180 DATE 06/12
HIGHEST GUST SPEED/DIRECTION 56/190 DATE 06/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.09
NUMBER OF DAYS FAIR 29
NUMBER OF DAYS PC 1
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 32
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 7 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 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO JULY 2025. 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.
$$