Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
000
CXUS55 KRIW 012055
CLMRKS

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
155 PM MST THU FEB 1 2018

..PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE SOUTHWEST WYOMING
REGIONAL AIRPORT NEAR ROCK SPRINGS FOR THE MONTH OF JANUARY 2018...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2018 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

...JANUARY WAS MUCH WARMER AND DRIER THAN NORMAL IN ROCK SPRINGS...

THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN JANUARY WAS 27.5
DEGREES...WHICH WAS 6.1 DEGREES ABOVE NORMAL. THIS MAKES IT THE 5TH
WARMEST JANUARY ON RECORD SINCE 1948. THE WARMEST READING OF THE
MONTH WAS 52 DEGREES ON THE 19TH...AND THE COLDEST WAS 4 ABOVE ON
THE 16TH. THREE NEW DAILY RECORD HIGHS WERE SET LAST MONTH
INCLUDING...50 DEGREES ON THE 18TH...52 DEGREES (TIED) ON THE
19TH...AND 49 DEGREES ON THE 30TH.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.08 INCHES. WHICH IS ONLY 18
PERCENT OF NORMAL. IT WAS THE 11TH DRIEST JANUARY ON RECORD SINCE
1948. THE WETTEST 24 HOUR PERIOD WAS THE 6TH...WHEN 0.05 OF AN INCH
FELL. NO PRECIPITATION RECORDS WERE SET DURING THE MONTH.  THE
HIGHEST WIND GUST WAS 52 MPH ON THE 28TH.

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY
2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              55   01/07/1969
 LOW              -37   01/12/1963
HIGHEST            52   01/19
LOWEST              4   01/16
AVG. MAXIMUM     36.5              30.3     6.2
AVG. MINIMUM     18.5              12.5     6.0
MEAN             27.5              21.4     6.1
DAYS MAX >= 90      0
DAYS MAX <= 32     10
DAYS MIN <= 32     30
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.54   1978
 MINIMUM            T   2013
TOTALS           0.08              0.45   -0.37
DAILY AVG.       0.00              0.01   -0.01
DAYS >= .01         3
DAYS >= .10         0
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.05   01/06 TO 01/06

DEGREE_DAYS
HEATING TOTAL    1156              1352    -196
 SINCE 7/1       4163              4704    -541
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.5
RESULTANT WIND SPEED/DIRECTION   9/246
HIGHEST WIND SPEED/DIRECTION    41/250    DATE  01/28
HIGHEST GUST SPEED/DIRECTION    52/250    DATE  01/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     63

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                       3
LIGHT SNOW                8     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      3
HAZE                      1

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

LOOKING AHEAD TO FEBRAURY 2018...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 31 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 13 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 38
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 19 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.48 INCHES.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.