Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 012124
CLMLND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
224 PM MST FRI DEC 1 2017

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE HUNT FIELD IN LANDER
FOR THE MONTH OF NOVEMBER 2017...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF NOVEMBER 2017 WILL BE
AVAILABLE APPROXIMATELY IN JANUARY 2018 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 WARMER THAN NORMAL IN LANDER...

THE AVERAGE TEMPERATURE FOR LANDER IN OCTOBER WAS 37.3 DEGREES...
WHICH WAS 6.1 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE MONTH
WAS 68 DEGREES ON THE 23RD.  THIS BROKE THE PREVIOUS LONG HELD
RECORD OF 65 DEGREES WHICH WAS SET BACK IN 1915. TWO OTHER RECORDS
WERE ALSO BROKEN...ONE ON THE 26TH WHEN 63 DEGREES BROKE 62 SET IN
1949...THE OTHER ON THE 27TH WHEN 60 DEGREES TIED THE RECORD...ALSO
FROM 1949. THE COLDEST READING WAS 15 DEGREES ON THE 8TH.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.45 INCHES...WHICH WAS 52
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD DURING THE MONTH WAS
ON THE 1ST...WHEN 0.20 INCHES FELL. NO PRECIPITATION RECORDS WERE
SET DURING THE MONTH. THE TOTAL SNOWFALL FOR NOVEMBER WAS 3.5 INCHES.
THE SNOWIEST DAY WAS ON THE 2ND WHEN 2.6 INCHES OF SNOW FELL.
THE HIGHEST WIND GUST WAS 59 MPH ON THE 16TH.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              71   11/01/2014
 LOW              -18   11/13/2014
                        11/23/1985
                        11/15/1978
HIGHEST            68   11/23
LOWEST             15   11/08
AVG. MAXIMUM     49.4              42.8     6.6
AVG. MINIMUM     25.1              19.7     5.4
MEAN             37.3              31.2     6.1
DAYS MAX >= 90      0
DAYS MAX <= 32      1
DAYS MIN <= 32     27
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.37   1983
 MINIMUM         0.00   1939
                        1914
TOTALS           0.45              0.86   -0.41
DAILY AVG.       0.01              0.03   -0.02
DAYS >= .01         8
DAYS >= .10         2
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.20   11/01 TO 11/01

SNOWFALL (INCHES)
TOTALS            3.5              13.1    -9.6
SINCE 7/1         8.0              25.6   -17.6
SNOWDEPTH AVG.      0
DAYS >= 1.0         1

DEGREE_DAYS
HEATING TOTAL     826              1012    -186
 SINCE 7/1       1600              1873    -273
COOLING TOTAL       0                 0       0
 SINCE 1/1        292               472    -180
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
RESULTANT WIND SPEED/DIRECTION   1/280
HIGHEST WIND SPEED/DIRECTION    48/230    DATE  11/16
HIGHEST GUST SPEED/DIRECTION    59/230    DATE  11/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                6     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      2
HAZE                      3

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

LOOKING AHEAD TO DECEMBER 2017...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 34 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 12 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 32
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 9. THE AVERAGE MONTHLY
PRECIPITATION IS 0.58 INCHES.  WINTER OFFICIALLY BEGINS ON DECEMBER
21ST AT 0928 LOCAL TIME.

$$



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