Climatological Report (Monthly)
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CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1154 AM MST SUN FEB 1 2015

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF JANUARY 2015...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2015 WILL BE
AVAILABLE APPROXIMATELY IN MARCH 2015 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.CRH.NOAA.GOV/RIW/CLIMATE/...

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

THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN JANUARY WAS 29.0
DEGREES... WHICH WAS 7.6 DEGREES ABOVE NORMAL. THIS MAKES IT THE 3RD
WARMEST JANUARY ON RECORD. THE WARMEST READING FOR THE MONTH WAS 53
DEGREES ON THE 26TH...BREAKING THE PREVIOUS RECORD OF 48...SET IN
1975. A NEW RECORD HIGH OF 47 DEGREES OCCURRED ON THE
25TH...BREAKING THE PREVIOUS RECORD OF 46...SET IN 1975. A NEW
RECORD HIGH OF 48 DEGREES OCCURRED ON THE 18TH...BREAKING THE
PREVIOUS RECORD OF 45...SET IN 1977. THE COLDEST READING WAS -16
DEGREES ON THE 1ST.

TOTAL PRECIPITATION FOR THE MONTH WAS ONLY 0.01 OF AN INCH...WHICH
WAS 2 PERCENT OF NORMAL. THIS MAKES IT THE DRIEST JANUARY ON RECORD.
THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS THE 12TH...WHEN 0.01 OF
AN INCH OF PRECIPITATION FELL. NO PRECIPITATION RECORDS WERE SET
DURING THE MONTH. THE HIGHEST WIND GUST WAS 59 MPH...WHICH OCCURRED
ON THE 5TH.

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY
2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              55   01/07/1969
 LOW              -37   01/12/1963
HIGHEST            53   01/26
LOWEST            -16   01/01
AVG. MAXIMUM     37.0              30.3     6.7
AVG. MINIMUM     21.0              12.5     8.5
MEAN             29.0              21.4     7.6
DAYS MAX >= 90      0
DAYS MAX <= 32      8
DAYS MIN <= 32     30
DAYS MIN <= 0       1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.54   1978
 MINIMUM            T   2013
TOTALS           0.01              0.45   -0.44
DAILY AVG.       0.00              0.01   -0.01
DAYS >= .01         1
DAYS >= .10         0
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.01   01/12 TO 01/12

DEGREE_DAYS
HEATING TOTAL    1106              1352    -246
 SINCE 7/1       4178              4704    -526
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              12.3
RESULTANT WIND SPEED/DIRECTION   9/255
HIGHEST WIND SPEED/DIRECTION    49/260    DATE  01/05
HIGHEST GUST SPEED/DIRECTION    59/260    DATE  01/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     69

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                4     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      5
HAZE                      1

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

LOOKING AHEAD TO FEBRUARY 2014...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 30 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 10. THE AVERAGE HIGH BY THE END OF THE MONTH IS 36 DEGREES...AND
THE AVERAGE LOW TEMPERATURE IS 16. THE AVERAGE MONTHLY PRECIPITATION
IS 0.49 INCHES.

$$





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