Climatological Report (Monthly)
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CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 PM MDT MON SEP 1 2014

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF AUGUST 2014 WILL BE
AVAILABLE APPROXIMATELY IN OCTOBER 2014 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/...

...AUGUST WAS SLIGHTLY COOLER AND MUCH WETTER THAN NORMAL IN
GREYBULL...

THE AVERAGE TEMPERATURE FOR GREYBULL IN AUGUST WAS 70.9
DEGREES...WHICH WAS 1.1 DEGREES BELOW NORMAL. THE WARMEST READING
FOR THE MONTH WAS 99 DEGREES ON THE 12TH. THE COLDEST READING WAS 48
DEGREES ON THE 24TH AND THE 26TH. NO TEMPERATURE RECORDS WERE SET
DURING THE MONTH.

THE TOTAL PRECIPITATION FOR THE MONTH WAS 1.01 INCHES...WHICH WAS
240 PERCENT OF NORMAL. THIS MAKES IT THE WETTEST AUGUST ON RECORD.
THE WETTEST 24 HOUR PERIOD WAS ON THE 22ND AND 23RD...WHEN 0.63 OF
AN INCH OF PRECIPITATION FELL. 2 NEW PRECIPITATION RECORDS WERE SET
EACH DAY. 0.24 OF AN INCH OF PRECIPITATION FELL ON THE 22ND...TYING
THE PREVIOUS RECORD OF 0.24 INCHES SET IN 2007. 0.44 OF AN INCH OF
PRECIPITATION FELL ON THE 23RD...BREAKING THE PREVIOUS RECORD OF
0.03 INCHES SET IN 2005. 0.30 OF AN INCH OF PRECIPITATION FELL ON
THE 14TH...BREAKING THE PREVIOUS RECORD OF 0.02 INCHES SET IN 2010.
THE HIGHEST WIND GUST WAS 55 MPH...WHICH OCCURRED ON THE 30TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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             105   08/03/2001
 LOW               36   08/31/2005
HIGHEST            99   08/12
LOWEST             48   08/26
                        08/24
AVG. MAXIMUM     84.6              89.1    -4.5
AVG. MINIMUM     57.2              54.8     2.4
MEAN             70.9              72.0    -1.1
DAYS MAX >= 90     13
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.64   2005
 MINIMUM            T   2013
TOTALS           1.01R             0.42    0.59
DAILY AVG.       0.03              0.01    0.02
DAYS >= .01         4
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.63   08/22 TO 08/23

DEGREE_DAYS
HEATING TOTAL      27                15      12
 SINCE 7/1         27                21       6
COOLING TOTAL     220               230     -10
 SINCE 1/1        655               633      22
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    44/320    DATE  08/30
HIGHEST GUST SPEED/DIRECTION    55/320    DATE  08/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

LOOKING AHEAD TO SEPTEMBER 2014...THE AVERAGE HIGH TEMPERATURE ON
THE FIRST OF THE MONTH IS 83 DEGREES...AND THE AVERAGE LOW
TEMPERATURE IS 50 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH
IS 75 DEGREES...AND THE AVERAGE LOW IS 42. THE AVERAGE MONTHLY
PRECIPITATION IS 0.52 INCHES.

$$






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