Climatological Report (Monthly)
Issued by NWS

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401
CXUS55 KRIW 012147
CLMCPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
346 PM MDT SAT JUL 1 2017

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE NATRONA COUNTY
INTERNATIONAL AIRPORT NEAR CASPER FOR THE MONTH OF JUNE 2017...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JUNE 2017 WILL BE
AVAILABLE APPROXIMATELY IN AUGUST 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 DRIER THAN NORMAL IN JUNE...

THE AVERAGE TEMPERATURE FOR CASPER IN JUNE WAS 63.0 DEGREES...WHICH
WAS 0.8 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE MONTH WAS
94 DEGREES ON BOTH THE 20TH AND 21ST. THE COLDEST READING OF THE
MONTH WAS 33 DEGREES ON THE 13TH. A RECORD LOW OF 37 WAS SET ON THE
24TH...BREAKING THE OLD RECORD OF 38 DEGREES SET IN 1967.

TOTAL PRECIPITATION FOR THE MONTH WAS 1.01 INCHES...WHICH WAS 63
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON
THE 11TH...WHEN 0.40 INCHES OF PRECIPITATION FELL. NO PRECIPITATION
RECORDS WERE SET DURING THE MONTH.
HE HIGHEST WIND GUST WAS 65 MPH ON THE 27TH.

...THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF JUNE 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             102   06/30/1990
                        06/24/1988
 LOW               28   06/13/1969
                        06/02/1951
HIGHEST            94   06/21
                        06/20
LOWEST             33   06/13
AVG. MAXIMUM     80.6              78.8     1.8
AVG. MINIMUM     45.3              45.7    -0.4
MEAN             62.9              62.2     0.7
DAYS MAX >= 90      3
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.71   2003
 MINIMUM         0.03   1956
TOTALS           1.01              1.61   -0.60
DAILY AVG.       0.03              0.05   -0.02
DAYS >= .01         7
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.40   06/11 TO 06/11

SNOWFALL (INCHES)
TOTALS            0.0               0.1    -0.1
SINCE 7/1        70.0              74.9    -4.9
DAYS >= 1.0         0

DEGREE_DAYS
HEATING TOTAL      91               136     -45
 SINCE 7/1       7042              7580    -538
COOLING TOTAL      37                53     -16
 SINCE 1/1         37                57     -20
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.2
RESULTANT WIND SPEED/DIRECTION   2/270
HIGHEST WIND SPEED/DIRECTION    47/260    DATE  06/27
HIGHEST GUST SPEED/DIRECTION    65/290    DATE  06/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

LOOKING AHEAD TO JULY 2017...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 85 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 50 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 89
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 54. THE AVERAGE MONTHLY
PRECIPITATION IS 1.41 INCHES.

$$



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