Climatological Report (Monthly)
Issued by NWS
Issued by NWS
312
CXUS55 KRIW 021813
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1014 AM MST THU JAN 02 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF DECEMBER 2024...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF DECEMBER 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 DECEMBER...
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN DECEMBER WAS 27.2
DEGREES WHICH WAS 5.8 DEGREES ABOVE NORMAL. THE WARMEST READING FOR
THE MONTH WAS 45 DEGREES ON THE 29TH. THE COLDEST TEMPERATURE WAS 11
DEGREES ON THE 9TH. NO TEMPERATURE RECORDS WERE BROKEN THIS MONTH..
PRECIPITATION FOR THE MONTH WAS 0.18 INCHES...WHICH WAS 58 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 28-29TH WITH 0.09
INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST
WIND GUST WAS 48 MPH FROM THE SOUTHWEST ON THE 15TH.
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER
2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 58 12/16/2013
LOW -29 12/22/1990
12/21/1990
12/31/1978
HIGHEST 45 12/29
LOWEST 11 12/09
AVG. MAXIMUM 36.2 29.5 6.7
AVG. MINIMUM 18.3 13.4 4.9
MEAN 27.2 21.4 5.8
DAYS MAX >= 90 0
DAYS MAX <= 32 7
DAYS MIN <= 32 31
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.78 1975
MINIMUM 0.00 1962
TOTALS 0.18 0.31 -0.13 0.02
DAILY AVG. 0.01 0.01 0.00
DAYS >= .01 5
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.09 12/28 TO 12/29
STORM TOTAL 0.08
SNOWFALL (INCHES)
TOTALS MM 5.8 MM
SINCE 7/1 MM 19.6 MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 1164 1350 -186
SINCE 7/1 2802 3297 -495
COOLING TOTAL 0 0 0
SINCE 1/1 445 320 125
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 11.0
RESULTANT WIND SPEED/DIRECTION 9/250
HIGHEST WIND SPEED/DIRECTION 36/250 DATE 12/08
36/260 12/10
36/260 12/15
HIGHEST GUST SPEED/DIRECTION 48/250 DATE 12/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.28
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 11 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 1
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO JANUARY 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 29 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 13 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 30
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 14. THE AVERAGE MONTHLY
PRECIPITATION IS 0.38 INCHES.
$$