Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 012250
CLMRKS

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
125 PM MDT TUE SEP 1 2015

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF AUGUST 2015 WILL BE
AVAILABLE APPROXIMATELY IN OCTOBER 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.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

...ROCK SPRINGS WAS SLIGHTLY COOLER THAN NORMAL AND DRIER THAN NORMAL
IN AUGUST...

THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN AUGUST WAS 66.5
DEGREES...WHICH WAS 0.4 DEGREES BELOW NORMAL. THE WARMEST READING OF
THE MONTH WAS 89 DEGREES ON THE 25TH. THE COLDEST READING OF THE
MONTH WAS 42 DEGREES ON THE 18TH AND 19TH. NO TEMPERATURE RECORDS
WERE SET DURING THE MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.37 INCHES...WHICH WAS 60
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS THE
30TH...WHEN 0.18 OF AN INCH OF PRECIPITATION FELL. NO PRECIPITATION
RECORDS WERE SET DURING THE MONTH. THE HIGHEST WIND GUST WAS 56 MPH
ON THE 27TH.

...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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              96   08/14/2003
 LOW               33   08/31/1962
HIGHEST            89   08/25
LOWEST             42   08/19
                        08/18
AVG. MAXIMUM     81.3              81.5    -0.2
AVG. MINIMUM     51.6              52.2    -0.6
MEAN             66.5              66.9    -0.4
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.12   1963
 MINIMUM         0.01   2012
TOTALS           0.37              0.62   -0.25
DAILY AVG.       0.01              0.02   -0.01
DAYS >= .01         4
DAYS >= .10         2
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.18   08/30 TO 08/30
                        08/29 TO 08/30
                        08/30 TO 08/30

DEGREE_DAYS
HEATING TOTAL      29                40     -11
 SINCE 7/1         55                64      -9
COOLING TOTAL      83                97     -14
 SINCE 1/1        252               277     -25
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
RESULTANT WIND SPEED/DIRECTION   5/239
HIGHEST WIND SPEED/DIRECTION    41/310    DATE  08/27
HIGHEST GUST SPEED/DIRECTION    56/300    DATE  08/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     43

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

LOOKING AHEAD TO SEPTEMBER 2015...THE AVERAGE HIGH TEMPERATURE ON
THE FIRST OF THE MONTH IS 77 DEGREES...AND THE AVERAGE LOW
TEMPERATURE IS 48 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH
IS 64 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 37 DEGREES. THE
AVERAGE MONTHLY PRECIPITATION IS 0.92 INCHES.

$$



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