Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 012009
CLMRKS

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1134 AM MDT TUE AUG 1 2017

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE SWEETWATER COUNTY
AIRPORT NEAR ROCK SPRINGS FOR THE MONTH OF JULY 2017...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JULY 2017 WILL BE
AVAILABLE APPROXIMATELY IN SEPTEMBER 2017 FROM THE NATIONAL CENTER
FOR ENVIRONMENTAL INFORMATION (HTTP://WWW.NCEI.NOAA.GOV/OL/
CLIMATEDATA.HTML). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON
THE INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW...

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

THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN JULY WAS 72.3
DEGREES...WHICH WAS 3.4 DEGREES ABOVE NORMAL. THIS MAKES IT THE 5TH
WARMEST JULY ON RECORD. THE WARMEST READING OF THE MONTH WAS 94
DEGREES ON THE 5TH...SETTING A NEW RECORD. THIS BROKE THE PREVIOUS
RECORD OF 93...SET IN 2001. THE COLDEST READING WAS 47 DEGREES ON
THE 1ST AND 2ND.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.14 INCHES...WHICH WAS 22
PERCENT OF NORMAL. THIS TIES 1962 AS THE 10TH DRIEST JULY ON RECORD.
THE WETTEST 24 HOUR PERIOD WAS THE 25TH AND 26TH...WHEN 0.06 OF AN
INCH FELL ON BOTH DAYS. 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 JULY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              98   07/13/2002
 LOW               35   07/04/1972
HIGHEST            94   07/05
LOWEST             47   07/02
                        07/01
AVG. MAXIMUM     87.5              83.8     3.7
AVG. MINIMUM     57.0              54.0     3.0
MEAN             72.3              68.9     3.4
DAYS MAX >= 90     12
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.67   1973
 MINIMUM            T   2008
TOTALS           0.14              0.64   -0.50
DAILY AVG.       0.00              0.02   -0.02
DAYS >= .01         3
DAYS >= .10         0
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.06   07/26 TO 07/26
                        07/25 TO 07/25

DEGREE_DAYS
HEATING TOTAL       0                24     -24
 SINCE 7/1          0                24     -24
COOLING TOTAL     233               144      89
 SINCE 1/1        278               180      98
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
RESULTANT WIND SPEED/DIRECTION   2/244
HIGHEST WIND SPEED/DIRECTION    38/250    DATE  07/16
HIGHEST GUST SPEED/DIRECTION    48/130    DATE  07/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           29
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     34

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

LOOKING AHEAD TO AUGUST 2017...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 85 DEGREES... AND THE AVERAGE LOW TEMPERATURE
IS 55 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 77
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 49 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.62 INCHES.

$$



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