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000
CXUS55 KRIW 031810
CLMRKS

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1053 AM MST WED JAN 03 2024

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF DECEMBER 2023...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF DECEMBER 2023 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 WARMER AND MUCH DRIER THAN NORMAL IN DECEMBER...

THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN DECEMBER WAS 25.6
DEGREES WHICH WAS 4.2 DEGREES ABOVE NORMAL. THE WARMEST READING FOR
THE MONTH WAS 51 DEGREES ON THE 6TH. THE COLDEST TEMPERATURE WAS 5
DEGREES BELOW ZERO ON THE 28TH. NO TEMPERATURE RECORDS WERE BROKEN.

PRECIPITATION FOR THE MONTH WAS 0.02 INCHES...WHICH WAS 6 PERCENT OF
NORMAL. IT WAS THE 4TH DRIEST DECEMBER ON RECORD. THE WETTEST 24-
HOUR PERIOD WAS THE 11TH WITH 0.01 INCHES. NO PRECIPITATION RECORDS
WERE BROKEN THIS MONTH. THE HIGHEST WIND GUST WAS 66 MPH FROM THE
WEST ON THE 3RD.

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER
2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2023

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           51   12/06
LOWEST            -5   12/28
AVG. MAXIMUM    34.6               29.5     5.1
AVG. MINIMUM    16.6               13.4     3.2
MEAN            25.6               21.4     4.2
DAYS MAX >= 90     0
DAYS MAX <= 32    13
DAYS MIN <= 32    31
DAYS MIN <= 0      1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.78   1975
 MINIMUM        0.00   1962
TOTALS          0.02               0.31   -0.29     0.17
DAILY AVG.      0.00               0.01   -0.01
DAYS >= .01        2
DAYS >= .10        0
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.01   12/23 TO 12/23
                       12/11 TO 12/11
                       12/23 TO 12/23
 STORM TOTAL    0.01

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   1213               1350    -137
 SINCE 7/1      2902               3297    -395
COOLING TOTAL      0                  0       0
 SINCE 1/1       323                320       3
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
RESULTANT WIND SPEED/DIRECTION   7/250
HIGHEST WIND SPEED/DIRECTION    49/260    DATE  12/03
HIGHEST GUST SPEED/DIRECTION    66/260    DATE  12/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.34
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                8     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

LOOKING AHEAD TO JANUARY 2024. 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.

$$