Climatological Report (Monthly)
Issued by NWS

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890
CXUS55 KRIW 022234
CLMRKS

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
621 AM MST TUE FEB 2 2016

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF JANUARY 2016...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2016 WILL BE
AVAILABLE APPROXIMATELY IN MARCH 2016 FROM THE NATIONAL CLIMATIC
DATA CENTER (HTTP://WWW.NCDC.NOAA.GOV/OL/CLIMATEDATA.HTML).
UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT
HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

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

THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN JANUARY WAS 18.3
DEGREES...WHICH WAS 3.1 DEGREES BELOW NORMAL. THE WARMEST READING OF
THE MONTH WAS 38 DEGREES ON THE 28TH. THE COLDEST READING WAS -20
DEGREES ON THE 1ST. NO TEMPERATURES RECORDS WERE SET DURING THE
MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.03 INCHES...WHICH WAS 6
PERCENT OF NORMAL. THIS TIES 2011 AS THE 3RD DRIEST JANUARY ON
RECORD. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS THE 30TH...WHEN
0.02 OF AN INCH OF PRECIPITATION FELL. NO PRECIPITATION RECORDS WERE
SET DURING THE MONTH. THE HIGHEST WIND GUST WAS 48 MPH ON THE 14TH.

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              55   01/07/1969
 LOW              -37   01/12/1963
HIGHEST            38   01/28
LOWEST            -20   01/01
AVG. MAXIMUM     26.5              30.3    -3.8
AVG. MINIMUM     10.1              12.5    -2.4
MEAN             18.3              21.4    -3.1
DAYS MAX >= 90      0
DAYS MAX <= 32     27
DAYS MIN <= 32     31
DAYS MIN <= 0       3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.54   1978
 MINIMUM            T   2013
TOTALS           0.03              0.45   -0.42
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    0.02   01/30 TO 01/30

DEGREE_DAYS
HEATING TOTAL    1439              1352      87
 SINCE 7/1       4505              4704    -199
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.3
RESULTANT WIND SPEED/DIRECTION  10/249
HIGHEST WIND SPEED/DIRECTION    43/260    DATE  01/14
HIGHEST GUST SPEED/DIRECTION    48/250    DATE  01/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               15     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      1
HAZE                      9

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

LOOKING AHEAD TO FEBRUARY 2016...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 30 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS
10 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 36
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 16 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.48 INCHES.

$$



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