Climatological Report (Monthly)
Issued by NWS Riverton, WY

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000
CXUS55 KRIW 012102
CLMRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
156 PM MST THU DEC 1 2016

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON REGIONAL AIRPORT
FOR THE MONTH OF NOVEMBER 2016...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF NOVEMBER 2016 WILL BE
AVAILABLE APPROXIMATELY IN JANUARY 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

...NOVEMBER WAS RECORD WARM AND WET FOR RIVERTON...

THE AVERAGE TEMPERATURE FOR RIVERTON IN NOVEMBER WAS 36.7 DEGREES...
WHICH WAS 6.3 DEGREES ABOVE NORMAL. THIS MAKE IT THE 3RD WARMEST
NOVEMBER ON RECORD SINCE 1996. THE WARMEST READING OF THE MONTH WAS
68 DEGREES ON THE 15TH...AND THE COLDEST WAS 10 ABOVE ON THE 19TH.
TWO NEW DAILY RECORD HIGHS WERE SET LAST MONTH...64 DEGREES ON THE
14TH...BREAKING 59 SET BACK IN 1999...AND 68 DEGREES ON THE 15TH...
BREAKING 55 SET BACK IN 2001.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.55 OF AN INCH...WHICH WAS
110 PERCENT OF NORMAL. THIS MAKES IT THE 2ND WETTEST NOVEMBER ON
RECORD SINCE 1996. THE WETTEST 24 HOUR PERIOD WAS THE 16TH AND
17TH...WHEN 0.39 OF AN INCH FELL. TWO DAILY PRECIPITATION RECORDS
FELL LAST MONTH...0.36 INCHES ON THE 17TH...BREAKING A TRACE THAT
FELL BACK IN 2005...AND 0.09 INCHES THAT FELL ON THE 21ST...
BREAKING 0.05 THAT FELL IN 2003. TOTAL SNOWFALL FOR THE MONTH WAS
4.3 INCHES...WHICH IS 105 PERCENT OF NORMAL. THE HIGHEST WIND GUST
WAS 49 MPH ON THE 24TH.

...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1995 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              71   11/01/2014
 LOW              -21   11/13/2014
HIGHEST            68   11/15
LOWEST             10   11/19
AVG. MAXIMUM     48.6              41.7     6.9
AVG. MINIMUM     24.8              19.2     5.6
MEAN             36.7              30.4     6.3
DAYS MAX >= 90      0
DAYS MAX <= 32      3
DAYS MIN <= 32     26
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.00   2015
 MINIMUM         0.03   2013
                        2009
TOTALS           0.55              0.50    0.05
DAILY AVG.       0.02              0.02    0.00
DAYS >= .01         4
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.39   11/16 TO 11/17
 STORM TOTAL       MM
 (MM/DD(HH))

SNOWFALL (INCHES)
TOTALS            4.3                MM      MM
SINCE 7/1         4.4                MM      MM
SNOWDEPTH AVG.      0
DAYS >= 1.0         1

DEGREE_DAYS
HEATING TOTAL     841              1036    -195
 SINCE 7/1       1596              1916    -320
COOLING TOTAL       0                 0       0
 SINCE 1/1        605               494     111
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
RESULTANT WIND SPEED/DIRECTION   4/306
HIGHEST WIND SPEED/DIRECTION    39/290    DATE  11/24
HIGHEST GUST SPEED/DIRECTION    49/300    DATE  11/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              5 NUMBER OF DAYS CLOUDY
1WINTER BEGINS OFFICIALLY AT 344 AM ON DECEMBER 21ST.

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                5     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 DECEMBER 2016...WINTER BEGINS OFFICIALLY AT 344 AM
ON DECEMBER 21ST. THE AVERAGE HIGH TEMPERATURE ON THE FIRST OF THE
MONTH IS 34 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 11 DEGREES.
THE AVERAGE HIGH BY THE END OF THE MONTH IS 31 DEGREES...AND THE
AVERAGE LOW TEMPERATURE IS 7 ABOVE. THE AVERAGE MONTHLY
PRECIPITATION IS 0.32 INCHES...WITH 4.9 INCHES OF SNOWFALL.

$$



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