Climatological Report (Monthly)
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CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
610 AM MST MON DEC 1 2014

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE SOUTH BIG HORN COUNTY
AIRPORT NEAR GREYBULL FOR THE MONTH OF NOVEMBER 2014...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF NOVEMBER 2014 WILL BE
AVAILABLE APPROXIMATELY IN JANUARY 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.CRH.NOAA.GOV/RIW/CLIMATE/...

...NOVEMBER WAS MUCH COLDER AND MUCH WETTER THAN NORMAL IN
GREYBULL...

THE AVERAGE TEMPERATURE FOR GREYBULL IN NOVEMBER WAS 22.6
DEGREES...WHICH WAS 7.9 DEGREES BELOW NORMAL. THIS MAKES IT THE 2ND
COLDEST NOVEMBER ON RECORD. THE WARMEST READING FOR THE MONTH WAS 73
DEGREES ON THE 1ST...WHICH ALSO BROKE THE PREVIOUS RECORD OF 67
DEGREES...SET IN 2005. THIS ALSO TIED THE WARMEST RECORDED
TEMPERATURE IN NOVEMBER. THE COLDEST READING WAS -22 DEGREES ON THE
16TH...WHICH ALSO BROKE THE PREVIOUS RECORD OF -6...SET IN 2000.
THIS ALSO SET A NEW RECORD FOR THE COLDEST RECORDED TEMPERATURE IN
NOVEMBER. THIS WAS IN THE MIDDLE OF 4 CONSECUTIVE RECORD LOWS. A
RECORD LOW OF -16 DEGREES OCCURRED ON THE 13TH...BREAKING THE
PREVIOUS RECORD OF -15...SET IN 2000. A RECORD LOW OF -21 DEGREES
OCCURRED ON THE 15TH...BREAKING THE PREVIOUS RECORD OF -5...ALSO SET
IN 2000. A RECORD LOW OF -20 DEGREES OCCURRED ON THE 17TH...BREAKING
THE PREVIOUS RECORD OF 3...ALSO SET IN 2000. A RECORD LOW OF -13
DEGREES OCCURRED ON THE 18TH...BREAKING THE PREVIOUS RECORD OF
-2...ALSO SET IN 2000.

THE TOTAL PRECIPITATION FOR THE MONTH WAS 0.59 INCHES...WHICH WAS
151 PERCENT OF NORMAL. THIS MAKES IT THE 2ND WETTEST NOVEMBER ON
RECORD. THE WETTEST 24 HOUR PERIOD WAS ON THE 25TH AND 26TH...WHEN
0.42 OF AN INCH OF PRECIPITATION FELL. 0.39 OF AN INCH OF
PRECIPITATION FELL ON THE 25TH...BREAKING THE PREVIOUS RECORD OF
0.13 INCHES SET IN 2012. 0.08 OF AN INCH OF PRECIPITATION FELL ON
THE 14TH...TYING THE PREVIOUS RECORD SET IN 2010. 0.01 OF AN INCH OF
PRECIPITATION FELL ON THE 29TH...BREAKING THE PREVIOUS RECORD OF A
TRACE SET IN 2008. THE HIGHEST WIND GUST WAS 65 MPH...WHICH OCCURRED
ON THE 10TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              73   11/01/2014
                        11/08/1999
                        11/06/1999
 LOW              -22   11/16/2014
HIGHEST            73R  11/01
LOWEST            -22R  11/16
AVG. MAXIMUM     35.4              43.1    -7.7
AVG. MINIMUM      9.8              17.9    -8.1
MEAN             22.6              30.5    -7.9
DAYS MAX >= 90      0
DAYS MAX <= 32     13
DAYS MIN <= 32     27
DAYS MIN <= 0      11

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.80   2002
 MINIMUM         0.00   2009
TOTALS           0.59              0.30    0.29
DAILY AVG.       0.02              0.01    0.01
DAYS >= .01         5
DAYS >= .10         2
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.42   11/25 TO 11/26

DEGREE_DAYS
HEATING TOTAL    1264              1035     229
 SINCE 7/1       1833              1857     -24
COOLING TOTAL       0                 0       0
 SINCE 1/1        698               669      29
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    52/320    DATE  11/10
HIGHEST GUST SPEED/DIRECTION    65/320    DATE  11/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     67

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                0     SNOW                       4
LIGHT SNOW                8     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      1
HAZE                      7

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

LOOKING AHEAD TO DECEMBER 2014...THE AVERAGE HIGH TEMPERATURE ON
THE FIRST OF THE MONTH IS 35 DEGREES...AND THE AVERAGE LOW
TEMPERATURE IS 11 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH
IS 29 DEGREES...AND THE AVERAGE LOW IS 6. THE AVERAGE MONTHLY
PRECIPITATION IS 0.13 INCHES.

$$





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