Climatological Report (Monthly)
Issued by NWS
Issued by NWS
966
CXUS55 KRIW 011748
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1122 AM MDT TUE OCT 01 2024
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF SEPTEMBER 2024...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF SEPTEMBER 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
...ROCK SPRINGS WAS DRIER AND WARMER THAN NORMAL IN SEPTEMBER...
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN SEPTEMBER WAS 61.8
DEGREES WHICH WAS 4.5 DEGREES ABOVE NORMAL. IT WAS THE 3RD WARMEST
SEPTEMBER SINCE RECORDS BEGAN IN 1948. THE WARMEST READING FOR THE
MONTH WAS 87 DEGREES ON THE 1ST AND 2ND. THE HIGH ON THE 27TH OF 82
DEGREES TIED THE PREVIOUS RECORD SET IN 2015, 2001 AND 1969. THE
HIGH ON THE 28TH WAS 85 DEGREES AND BROKE 84 FROM 2010. THE COLDEST
TEMPERATURE WAS 36 DEGREES ON THE 13TH.
PRECIPITATION FOR THE MONTH WAS 0.39 INCHES...WHICH WAS 49 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 3RD-4TH WITH 0.24
INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST
WIND GUST WAS 65 MPH FROM THE SOUTHWEST ON THE 3RD.
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER
2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 93 09/04/2022
LOW 5 09/18/1965
HIGHEST 87 09/01
09/02
LOWEST 36 09/13
AVG. MAXIMUM 77.2 70.7 6.5
AVG. MINIMUM 46.4 43.9 2.5
MEAN 61.8 57.3 4.5
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.67 1965
MINIMUM T 2018
TOTALS 0.39 0.79 -0.40 0.74
DAILY AVG. 0.01 0.03 -0.02
DAYS >= .01 4
DAYS >= .10 2
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.24 09/03 TO 09/04
STORM TOTAL 0.21
SNOWFALL (INCHES)
TOTALS MM 1.2 MM
SINCE 7/1 MM 1.2 MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 127 242 -115
SINCE 7/1 158 301 -143
COOLING TOTAL 38 11 27
SINCE 1/1 445 320 125
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.1
RESULTANT WIND SPEED/DIRECTION 4/230
HIGHEST WIND SPEED/DIRECTION 51/250 DATE 09/03
HIGHEST GUST SPEED/DIRECTION 65/250 DATE 09/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.07
NUMBER OF DAYS FAIR 29
NUMBER OF DAYS PC 1
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 38
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 8 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 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO OCTOBER 2024. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 64 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 38 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 49
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 28. THE AVERAGE MONTHLY
PRECIPITATION IS 0.81 INCHES.
$$