National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS55 KRIW 011826
CLMRKS

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1103 AM MST WED FEB 01 2023

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 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 COLDER AND MUCH DRIER THAN NORMAL IN JANUARY...

THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN JANUARY WAS 17 DEGREES
WHICH WAS 4.5 DEGREES BELOW NORMAL. THE WARMEST READING FOR THE
MONTH WAS 35 DEGREES ON THE 10TH. THE COLDEST TEMPERATURE WAS 19
DEGREES BELOW ZERO ON THE 30TH WHICH BROKE THE 1985 RECORD OF 15
BELOW ZERO.

PRECIPITATION FOR THE MONTH WAS 0.02 INCHES...WHICH WAS JUST 5
PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIODS WERE THE 2ND AND THE
10TH WITH 0.01 INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS
MONTH. THE HIGHEST WIND GUST WAS 56 MPH FROM THE WEST ON THE 26TH.

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY
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             55   01/07/1969
 LOW             -37   01/12/1963
HIGHEST           35   01/10
LOWEST           -19   01/30
AVG. MAXIMUM    23.8               29.5    -5.7
AVG. MINIMUM    10.3               13.6    -3.3
MEAN            17.0               21.5    -4.5
DAYS MAX >= 90     0
DAYS MAX <= 32    28
DAYS MIN <= 32    31
DAYS MIN <= 0      3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.54   1978
 MINIMUM           T   2022
TOTALS          0.02               0.38   -0.36        T
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   01/02 TO 01/02
                       01/10 TO 01/10
 STORM TOTAL    0.01

SNOWFALL (INCHES)
TOTALS            MM                8.2      MM
SINCE 7/1         MM               27.8      MM
SNOWDEPTH AVG.    MM
DAYS >= 1.0       MM

DEGREE DAYS
HEATING TOTAL   1479               1347     132
 SINCE 7/1      4508               4649    -141
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              12.7
RESULTANT WIND SPEED/DIRECTION   6/260
HIGHEST WIND SPEED/DIRECTION    46/260    DATE  01/26
HIGHEST GUST SPEED/DIRECTION    56/260    DATE  01/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.49
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     82

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                       3
LIGHT SNOW               16     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

LOOKING AHEAD TO FEBRUARY 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 30 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 14 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 37
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 19. THE AVERAGE MONTHLY
PRECIPITATION IS 0.37 INCHES.

$$