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CXUS55 KRIW 011702
CLMRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1041 AM MDT TUE JUL 01 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON 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
..RIVERTON WAS WARMER THAN NORMAL IN JUNE.
THE AVERAGE TEMPERATURE FOR RIVERTON IN JUNE WAS 66 DEGREES WHICH
WAS 2.6 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS
97 DEGREES ON THE 19TH AND BROKE THE 2021 RECORD OF 95. THE HIGH ON
THE 1ST OF 91 BROKE 89 DEGREES FROM 2020. THE COLDEST READING WAS 39
DEGREES ON THE 23RD AND BROKE THE 2013 RECORD OF 41.
PRECIPITATION FOR THE MONTH WAS 0.90 INCHES...WHICH IS 96 PERCENT OF
NORMAL. THE WETTEST 24-HOURS WAS THE 5TH WHEN 0.34 INCHES FELL. THIS
TIED THE 1999 RECORD. THE HIGHEST WIND GUST WAS 48 MPH FROM THE
SOUTHWEST AND OCCURRED ON THE 20TH.
..THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF JUNE 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 100 06/15/2021
LOW 32 06/04/1998
06/04/1998
06/03/1998
HIGHEST 97 06/19
LOWEST 39 06/23
AVG. MAXIMUM 81.8 78.7 3.1
AVG. MINIMUM 50.1 48.1 2.0
MEAN 66.0 63.4 2.6
DAYS MAX >= 90 7
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.80 2023
MINIMUM T 2012
TOTALS 0.90 0.94 -0.04 0.28
DAILY AVG. 0.03 0.03 -0.00
DAYS >= .01 7
DAYS >= .10 4
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.34 06/05 TO 06/05
STORM TOTAL 0.34
SNOWFALL (INCHES)
TOTALS 0.0 MM MM
SINCE 7/1 30.7 MM MM
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 78 115 -37
SINCE 7/1 7234 7927 -693
COOLING TOTAL 116 67 49
SINCE 1/1 122 75 47
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 8.6
RESULTANT WIND SPEED/DIRECTION 2/350
HIGHEST WIND SPEED/DIRECTION 35/220 DATE 06/20
HIGHEST GUST SPEED/DIRECTION 48/210 DATE 06/20
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.16
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 2
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 45
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 4 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 85 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 52 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 89
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 57. THE AVERAGE MONTHLY
PRECIPITATION IS 0.54 INCHES.
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