Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 011915
CLMCPR

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

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE NATRONA COUNTY
INTERNATIONAL AIRPORT NEAR CASPER 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

...CASPER WAS WARMER AND MUCH DRIER THAN NORMAL IN JULY...

THE AVERAGE TEMPERATURE FOR CASPER IN JULY WAS 73.1 DEGREES...WHICH
WAS 2.6 DEGREES ABOVE NORMAL. THIS MAKES IT THE 15TH WARMEST JULY ON
RECORD. THE WARMEST READING OF THE MONTH WAS 98 DEGREES ON THE 5TH
AND 14TH. THE COLDEST READING OF THE MONTH WAS 41 DEGREES ON THE
1ST. NO TEMPERATURE RECORD WERE SET DURING THE MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.37 INCHES...WHICH WAS 26
PERCENT OF NORMAL. THIS TIES 1942 AS THE 10TH DRIEST JULY ON RECORD.
THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON THE 29TH...WHEN 0.25
INCHES OF PRECIPITATION FELL. NO PRECIPITATION RECORDS WERE SET
DURING THE MONTH. THE HIGHEST WIND GUST WAS 58 MPH ON THE 9TH.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF JULY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             104   07/29/2006
                        07/16/2005
                        07/12/1954
 LOW               30   07/04/1972
HIGHEST            98   07/14
                        07/05
LOWEST             41   07/01
AVG. MAXIMUM     92.1              88.1     4.0
AVG. MINIMUM     54.0              53.0     1.0
MEAN             73.1              70.5     2.6
DAYS MAX >= 90     24
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.54   2007
 MINIMUM         0.09   1991
TOTALS           0.37              1.41   -1.04
DAILY AVG.       0.01              0.05   -0.04
DAYS >= .01         7
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.25   07/29 TO 07/29

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0
SINCE 7/1         0.0               0.0     0.0
DAYS >= 1.0         0

DEGREE_DAYS
HEATING TOTAL       1                16     -15
 SINCE 7/1          1                16     -15
COOLING TOTAL     259               188      71
 SINCE 1/1        295               245      50
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
RESULTANT WIND SPEED/DIRECTION   2/265
HIGHEST WIND SPEED/DIRECTION    45/010    DATE  07/09
HIGHEST GUST SPEED/DIRECTION    58/010    DATE  07/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           29
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     45

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

-  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 89 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 54 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 82
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 48. THE AVERAGE MONTHLY
PRECIPITATION IS 0.85 INCHES.

$$



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