Climatological Report (Monthly)
Issued by NWS

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000
CXUS55 KRIW 022200
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
621 AM MST TUE FEB 2 2016

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE SOUTH BIG HORN COUNTY
AIRPORT NEAR GREYBULL FOR THE MONTH OF JANUARY 2016...

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

...GREYBULL WAS MUCH WARMER AND MUCH DRIER THAN NORMAL IN JANUARY...

THE AVERAGE TEMPERATURE FOR GREYBULL IN JANUARY WAS 20.5 DEGREES...
WHICH WAS 3.6 DEGREES ABOVE NORMAL. THIS MAKES IT THE 5TH WARMEST
JANUARY ON RECORD. THE WARMEST READING OF THE MONTH WAS 48 DEGREES
ON THE 28TH. THE COLDEST READING WAS -9 DEGREES ON THE 1ST. NO
TEMPERATURE RECORDS WERE SET DURING THE MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS A 0.11...WHICH WAS 48 PERCENT
OF NORMAL. THE WETTEST 24 HOUR PERIOD WAS THE 16TH AND 17TH...WHEN
0.08 OF AN INCH OF PRECIPITATION FELL. 0.06 OF AN INCH OF
PRECIPITATION FELL ON THE 16TH...BREAKING THE PREVIOUS RECORD OF A
TRACE...LAST SET IN 2012. NEW PRECIPITATION RECORDS OF 0.01 WERE
SET ON THE 8TH AND 24TH...BREAKING THE PREVIOUS RECORDS OF A
TRACE...SET IN 2011 AND 2012...RESPECTIVELY. THE HIGHEST WIND GUST
WAS 30 MPH ON THE 30TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              55   01/23/2005
 LOW              -37   01/27/2009
HIGHEST            48   01/28
LOWEST             -9   01/01
AVG. MAXIMUM     32.8              28.9     3.9
AVG. MINIMUM      8.3               4.9     3.4
MEAN             20.5              16.9     3.6
DAYS MAX >= 90      0
DAYS MAX <= 32     14
DAYS MIN <= 32     31
DAYS MIN <= 0       7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.42   2008
 MINIMUM         0.00   2006
                        2005
TOTALS           0.11              0.23   -0.12
DAILY AVG.       0.00              0.01   -0.01
DAYS >= .01         5
DAYS >= .10         0
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.08   01/16 TO 01/17

DEGREE_DAYS
HEATING TOTAL    1371              1491    -120
 SINCE 7/1       4287              4814    -527
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              3.6
HIGHEST WIND SPEED/DIRECTION    24/330    DATE  01/30
HIGHEST GUST SPEED/DIRECTION    30/340    DATE  01/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                6     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      2
HAZE                      0

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

LOOKING AHEAD TO FEBRUARY 2016...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 30 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS
5 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 45
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 22 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.11 INCHES.

$$


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