Climatological Report (Monthly)
Issued by NWS Riverton, WY

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CXUS55 KRIW 012214
CLMRIW

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

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON REGIONAL AIRPORT
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

...AUGUST WAS SLIGHTLY WARMER THAN NORMAL AND MUCH DRIER THAN
NORMAL...

THE AVERAGE TEMPERATURE FOR RIVERTON IN AUGUST WAS 70.1
DEGREES...WHICH WAS 0.4 DEGREES ABOVE NORMAL. THE WARMEST READING OF
THE MONTH WAS 95 DEGREES ON THE 14TH AND 15TH. THE HIGH OF 95
DEGREES ON THE 15TH TIED THE RECORD HIGH LAST SET IN 2003. ONE OTHER
RECORD HIGH WAS SET ON THE 25TH WHEN A HIGH OF 94 DEGREES BROKE THE
PREVIOUS RECORD HIGH OF 93 LAST SET IN 2008. THE COLDEST READING OF
THE MONTH WAS 39 DEGREES ON THE 23RD...SETTING NEW RECORDS. THIS WAS
A DAILY RECORD LOW FOR THE 23RD...BREAKING THE PREVIOUS RECORD OF 45
DEGREES LAST SET IN 2014. THIS WAS ALSO THE COLDEST TEMPERATURE
RECORDED FOR THE MONTH OF AUGUST...BREAKING THE PREVIOUS COLDEST
RECORD OF 40 DEGREES SET ON AUGUST 31ST IN 2010. IN ADDITION...A
RECORD LOW TEMPERATURE OF 44 DEGREES WAS SET ON THE 18TH...BREAKING
THE PREVIOUS RECORD OF 45 DEGREES IN 2009. AND A RECORD WARMEST LOW
TEMPERATURE WAS SET ON THE 12TH WHEN A WARM LOW OF 67 DEGREES BROKE
THE PREVIOUS RECORD OF 65 DEGREES SET IN 2003.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.06 INCHES...WHICH WAS 11
PERCENT OF NORMAL. THIS MAKES IT THE 3RD DRIEST AUGUST ON RECORD.
THE DRIEST AUGUST CAME IN 2013...WHEN ONLY 0.03 INCHES FELL DURING
THE MONTH. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS THE
27TH...WHEN 0.03 OF AN INCH OF PRECIPITATION FELL. NO PRECIPITATION
RECORDS WERE SET DURING THE MONTH. THE HIGHEST WIND GUST WAS 59 MPH
ON THE 17TH.

...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1995 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              99   08/14/2003
                        08/06/2001
 LOW               39   08/23/2015
HIGHEST            95   08/15
                        08/14
LOWEST             39R  08/23
AVG. MAXIMUM     85.4              85.2     0.2
AVG. MINIMUM     54.8              54.3     0.5
MEAN             70.1              69.7     0.4
DAYS MAX >= 90     10
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.15   2014
 MINIMUM         0.03   2013
TOTALS           0.06              0.57   -0.51
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    0.03   08/27 TO 08/27
                        08/26 TO 08/27
                        08/27 TO 08/27
 STORM TOTAL       MM
 (MM/DD(HH))

SNOWFALL (INCHES)
TOTALS            0.0                MM      MM
SINCE 7/1         0.0                MM      MM
SNOWDEPTH AVG.      0
DAYS >= 1.0         0

DEGREE_DAYS
HEATING TOTAL      25                26      -1
 SINCE 7/1         35                38      -3
COOLING TOTAL     191               173      18
 SINCE 1/1        476               468       8
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
RESULTANT WIND SPEED/DIRECTION   2/328
HIGHEST WIND SPEED/DIRECTION    45/010    DATE  08/17
HIGHEST GUST SPEED/DIRECTION    59/010    DATE  08/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     40

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                6     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                     13

-  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 80 DEGREES...AND THE AVERAGE LOW
TEMPERATURE IS 50 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH
IS 65 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 38 DEGREES. THE
AVERAGE MONTHLY PRECIPITATION IS 0.90 INCHES.

$$


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