866
CXUS55 KRIW 011719
CLMCPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1108 AM MDT FRI AUG 01 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR CASPER FOR THE MONTH OF
JULY 2025…
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JULY 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
..JULY WAS SLIGHTLY WARMER AND DRIER THAN NORMAL FOR CASPER
AVERAGE TEMPERATURE FOR CASPER IN JULY WAS 71.9 DEGREES WHICH IS 0.9
DEGREE ABOVE NORMAL. THE WARMEST READING OF THE MONTH WAS 100
DEGREES ON THE 9TH AND 14TH. THE 9TH BROKE THE 2022 RECORD OF 99
DEGREES. (ALSO 2005, 1976 AND 1954). THE COLDEST READING FOR THE
MONTH WAS 41 DEGREES ON THE 12TH.
TOTAL PRECIPITATION FOR THE MONTH WAS 1.14 INCHES...WHICH IS 96
PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD DURING THE MONTH WAS
ON THE 29TH WITH 0.50 INCHES. NO PRECIPITATION RECORDS WERE BROKEN
THIS MONTH. THE HIGHEST WIND GUST WAS 65 MPH FROM THE NORTHWEST ON
THE 29TH.
..THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF JULY 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 104 07/29/2006
07/16/2005
07/12/1954
LOW 30 07/04/1972
HIGHEST 100 07/09
07/14
LOWEST 41 07/12
AVG. MAXIMUM 90.5 89.0 1.5
AVG. MINIMUM 53.2 53.0 0.2
MEAN 71.9 71.0 0.9
DAYS MAX >= 90 19
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.54 2007
MINIMUM 0.02 2020
TOTALS 1.14 1.19 -0.05 0.53
DAILY AVG. 0.04 0.04 0.00
DAYS >= .01 7
DAYS >= .10 3
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.50 07/29 TO 07/29
STORM TOTAL 0.50
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 5 14 -9
SINCE 7/1 5 9 -4
COOLING TOTAL 227 200 27
SINCE 1/1 302 255 47
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 9.1
RESULTANT WIND SPEED/DIRECTION 1/260
HIGHEST WIND SPEED/DIRECTION 43/340 DATE 07/29
HIGHEST GUST SPEED/DIRECTION 65/320 DATE 07/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.15
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 48
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 3
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 0
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO AUGUST 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 90 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 55 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 83
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 47. THE AVERAGE MONTHLY
PRECIPITATION IS 0.79 INCHES.
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