Climatological Report (Monthly)
Issued by NWS

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000
CXUS55 KRIW 012208
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
300 PM MST WED MAR 1 2017

.PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE SOUTH BIG HORN COUNTY
AIRPORT NEAR GREYBULL FOR THE MONTH OF FEBRUARY 2017...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF FEBRUARY 2017 WILL BE
AVAILABLE APPROXIMATELY IN APRIL 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

...GREYBULL WAS WARMER WITH NORMAL PRECIPITATION IN FEBRUARY...

THE AVERAGE TEMPERATURE FOR GREYBULL IN FEBRUARY WAS 24.6 DEGREES...
WHICH WAS 1 DEGREE ABOVE NORMAL. THE WARMEST READING OF THE MONTH
WAS 56 DEGREES ON THE 21ST...AND THE COLDEST WAS 21 DEGREES BELOW
ZERO ON THE 3RD...WHICH WAS A DAILY RECORD LOW...BREAKING THE 2002
RECORD OF 12 BELOW ZERO.  THE 20TH HAD A RECORD HIGH OF 54
DEGREES...BREAKING THE 2016 RECORD OF 52 DEGREES.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.10...WHICH WAS 0.08 INCHES
BELOW NORMAL FOR THE MONTH OR 56 PERCENT OF NORMAL. THE WETTEST 24
HOUR PERIOD WAS THE 1ST...WHEN 0.04 INCHES FELL. THE HIGHEST WIND
GUST WAS 40 MPH ON THE 17TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              69   02/28/2006
 LOW              -31   02/02/2011
HIGHEST            56   02/21
LOWEST            -21   02/03
AVG. MAXIMUM     35.2              35.9    -0.7
AVG. MINIMUM     13.9              11.4     2.5
MEAN             24.6              23.6     1.0
DAYS MAX >= 90      0
DAYS MAX <= 32     10
DAYS MIN <= 32     25
DAYS MIN <= 0       4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.37   2007
 MINIMUM         0.00   2008
TOTALS           0.10              0.18   -0.08
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    0.04   02/01 TO 02/01
                        01/31 TO 02/01
                        02/01 TO 02/01

DEGREE_DAYS
HEATING TOTAL    1123              1157     -34
 SINCE 7/1       6041              5971      70
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.7
HIGHEST WIND SPEED/DIRECTION    32/280    DATE  02/17
HIGHEST GUST SPEED/DIRECTION    40/290    DATE  02/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                6     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      5
HAZE                      7

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

LOOKING AHEAD TO MARCH 2017...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 44 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 18 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 563
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 28 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.40 INCHES.

$$


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