Climatological Report (Monthly)
Issued by NWS
Issued by NWS
166
CXUS55 KRIW 012209
CLMGEY
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
359 PM MDT THU AUG 01 2024
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR GREYBULL FOR THE MONTH OF
JULY 2024...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JULY 2024 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 HAD RECORD SETTING PRECIPITATION IN JULY....
THE AVERAGE TEMPERATURE FOR GREYBULL IN JULY WAS 74.8 DEGREES WHICH
WAS A MERE 0.1 DEGREES BELOW NORMAL. THE WARMEST READING FOR THE
MONTH WAS 103 DEGREES ON THE 11TH AND 24TH. THE 11TH BROKE THE 2002
RECORD OF 102.. THE COLDEST TEMPERATURE WAS 47 DEGREES ON THE 4TH
AND BROKE THE 2005 RECORD OF 49. THE LOW ON THE 3RD OF 53 TIED 2020,
2019 AND 2017. THE LOW ON THE 5TH OF 48 DEGREES TIED 2000.
PRECIPITATION FOR THE MONTH WAS 1.09 INCHES...WHICH IS A WHOPPING
681 PERCENT OF NORMAL. IT WAS THE WETTEST JULY SINCE RECORDS BEGAN
IN 1998. THE WETTEST 24-HOUR PERIOD OCCURRED ON THE 12TH WITH 0.49
INCHES. THIS BROKE THE 2011 RECORD OF 0.01. THE 1ST HAD 0.46 INCHES
AND BROKE THE 2023 RECORD OF 0.06. THE 20TH HAD 0.11 INCHES AND
BROKE A TRACE FROM 2008. THE HIGHEST WIND GUST WAS 69 MPH FROM THE
SOUTHWEST ON THE 26TH.
...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF JULY 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024
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 103 07/11
07/24
LOWEST 47 07/04
AVG. MAXIMUM 91.6 91.4 0.2
AVG. MINIMUM 57.9 58.3 -0.4
MEAN 74.8 74.9 -0.1
DAYS MAX >= 90 20
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 0.95 2023
MINIMUM 0.00 2011
TOTALS 1.09 0.16 0.93 0.95
DAILY AVG. 0.04 0.01 0.03
DAYS >= .01 5
DAYS >= .10 3
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.49 07/12 TO 07/12
STORM TOTAL 0.49
DEGREE DAYS
HEATING TOTAL 4 4 0
SINCE 7/1 4 0 4
COOLING TOTAL 313 309 4
SINCE 1/1 487 455 32
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.2
RESULTANT WIND SPEED/DIRECTION 2/340
HIGHEST WIND SPEED/DIRECTION 45/320 DATE 07/14
HIGHEST GUST SPEED/DIRECTION 69/250 DATE 07/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.10
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 1
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 42
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 4
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 0 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 AUGUST 2024. 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.
$$