Climatological Report (Monthly)
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CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1154 AM MST SUN FEB 1 2015

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE SOUTH BIG HORN COUNTY
AIRPORT NEAR GREYBULL FOR THE MONTH OF JANUARY 2015...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2015 WILL BE
AVAILABLE APPROXIMATELY IN MARCH 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/...

...JANUARY WAS ABOUT AVERAGE IN GREYBULL...

THE AVERAGE TEMPERATURE FOR GREYBULL IN JANUARY WAS 17.3
DEGREES...WHICH WAS 0.4 DEGREES ABOVE NORMAL. THE WARMEST READING
FOR THE MONTH WAS 41 DEGREES ON THE 26TH. THE COLDEST READING WAS
-14 DEGREES ON THE 1ST. A NEW RECORD LOW OF -7 DEGREES OCCURRED ON
THE 9TH...BREAKING THE PREVIOUS RECORD OF -6...SET IN 2010.

THE TOTAL PRECIPITATION FOR THE MONTH WAS 0.22 INCHES...WHICH WAS 96
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD WAS ON THE 28TH...WHEN
0.21 OF AN INCH OF PRECIPITATION FELL. THIS SET A NEW
RECORD...BREAKING THE PREVIOUS RECORD OF 0.05 OF AN INCH...SET IN
2009. THE HIGHEST WIND GUST WAS 46 MPH...WHICH OCCURRED ON THE 3TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              55   01/23/2005
 LOW              -37   01/27/2009
HIGHEST            41   01/26
LOWEST            -14   01/01
AVG. MAXIMUM     27.4              28.9    -1.5
AVG. MINIMUM      7.3               4.9     2.4
MEAN             17.3              16.9     0.4
DAYS MAX >= 90      0
DAYS MAX <= 32     22
DAYS MIN <= 32     31
DAYS MIN <= 0       8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.42   2008
 MINIMUM         0.00   2006
                        2005
TOTALS           0.22              0.23   -0.01
DAILY AVG.       0.01              0.01    0.00
DAYS >= .01         2
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.21   01/28 TO 01/28


DEGREE_DAYS
HEATING TOTAL    1471              1491     -20
 SINCE 7/1       4746              4814     -68
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              3.8
HIGHEST WIND SPEED/DIRECTION    39/340    DATE  01/03
HIGHEST GUST SPEED/DIRECTION    46/350    DATE  01/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     82

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                7     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      7
HAZE                      4

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

LOOKING AHEAD TO FEBRUARY 2015...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 31 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 4 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 45
DEGREES...AND THE AVERAGE LOW IS 22. THE AVERAGE MONTHLY
PRECIPITATION IS 0.12 INCHES.

$$






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