Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 021951
CLMP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1044 AM MDT WED AUG 02 2023
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LAKE YELLOWSTONE FOR THE
MONTH OF JULY 2023...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF JULY 2023 WILL BE
AVAILABLE APPROXIMATELY IN 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
...LAKE YELLOWSTONE WAS WARMER AND DRIER THAN NORMAL IN JULY...
AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN JULY WAS 57.2 DEGREES
WHICH IS 1.7 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE MONTH
WAS 83 DEGREES ON THE 23RD. THE COLDEST READING OF THE MONTH WAS ON
THE 7TH WITH 33 DEGREES. THE LOW ON THE 6TH WAS 34 DEGREES AND TIED
2020.
TOTAL PRECIPITATION AT LAKE YELLOWSTONE WAS 0.42 INCHES... WHICH WAS
28 PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD DURING THE MONTH
WAS THE 1ST WHEN 0.23 INCHES OF PRECIPITATION FELL. THIS BROKE THE
2020 RECORD OF 0.11 INCHES. THE HIGHEST WIND GUST WAS 41 MPH FROM
THE WEST ON THE 5TH.
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF JULY
2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 86 07/14/2002
07/31/2000
LOW 27 07/12/2008
HIGHEST 83 07/23
LOWEST 33 07/07
AVG. MAXIMUM 75.2 72.2 3.0
AVG. MINIMUM 39.2 38.7 0.5
MEAN 57.2 55.5 1.7
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.42 2007
MINIMUM 0.17 2022
TOTALS 0.42 1.51 -1.09 0.17
DAILY AVG. 0.02 0.05 -0.03
DAYS >= .01 5
DAYS >= .10 2
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.23 07/01 TO 07/01
STORM TOTAL 0.23
DEGREE DAYS
HEATING TOTAL 212 296 -84
SINCE 7/1 212 294 -82
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 2.3
RESULTANT WIND SPEED/DIRECTION 0/100
HIGHEST WIND SPEED/DIRECTION 23/290 DATE 07/05
HIGHEST GUST SPEED/DIRECTION 41/290 DATE 07/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.00
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 0
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 56
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 5 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 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO AUGUST 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 74 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 40 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 67
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 34 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.34 INCHES.
$$