110
CXUS55 KRIW 011720
CLMGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1108 AM MDT FRI AUG 01 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR GREYBULL 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
..GREYBULL IN JULY WAS MUCH WETTER THAN NORMAL.
THE AVERAGE TEMPERATURE FOR GREYBULL IN JULY WAS 74.7 DEGREES WHICH
IS 0.2 DEGREES BELOW NORMAL. THE WARMEST TEMPERATURE FOR THE MONTH
WAS 101 DEGREES ON THE 9TH. THE COLDEST TEMPERATURE WAS 51 DEGREES
ON THE 6TH AND 12TH. NO TEMPERATURE RECORDS WERE BROKEN.
PRECIPITATION FOR THE MONTH WAS 0.86 INCHES...WHICH IS A WHOPPING
538 PERCENT OF NORMAL. IT WAS THE THIRD WETTEST JULY SINCE RECORDS
BEGAN IN 1998. THE WETTEST 24-HOUR PERIOD OCCURRED ON THE 30TH WITH
0.28 AND BROKE THE 2019 RECORD OF 0.17. THE 22ND HAD 0.26 INCHES AND
BROKE THE 2004 RECORD OF 0.12 INCHES. THE HIGHEST WIND GUST WAS 67
MPH FROM THE WEST ON THE 4TH AND FROM THE SOUTHWEST ON THE 30TH.
..THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF JULY 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 108 07/14/2002
LOW 44 07/07/2010
07/12/2008
HIGHEST 101 07/09
LOWEST 51 07/06
07/12
AVG. MAXIMUM 91.3 91.4 -0.1
AVG. MINIMUM 58.1 58.3 -0.2
MEAN 74.7 74.9 -0.2
DAYS MAX >= 90 19
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.09 2024
MINIMUM 0.00 2011
TOTALS 0.86 0.16 0.70 1.09
DAILY AVG. 0.03 0.01 0.02
DAYS >= .01 7
DAYS >= .10 3
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.28 07/30 TO 07/30
STORM TOTAL 0.28
DEGREE DAYS
HEATING TOTAL 0 4 -4
SINCE 7/1 0 0 0
COOLING TOTAL 308 309 -1
SINCE 1/1 461 455 6
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 7.3
RESULTANT WIND SPEED/DIRECTION 3/320
HIGHEST WIND SPEED/DIRECTION 49/240 DATE 07/30
HIGHEST GUST SPEED/DIRECTION 67/280 DATE 07/04
67/240 07/30
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.08
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 0
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 45
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 11 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 5
LIGHT RAIN 14 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 0
- 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 92 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 59 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 84
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 51 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.23 INCHES.
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