Climatological Report (Monthly)
Issued by NWS

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000
CXUS55 KRIW 021124 AAA
CLMP60

CLIMATE REPORT...AMENDED
NATIONAL WEATHER SERVICE RIVERTON WY
215 PM MDT TUE JUL 1 2014

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LAKE YELLOWSTONE FOR THE
MONTH OF JUNE 2014...

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

...JUNE WAS MUCH COOLER AND SLIGHTLY WETTER THAN AVERAGE AT LAKE
YELLOWSTONE...

THE AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN JUNE WAS 45.2
DEGREES...WHICH WAS 3.4 DEGREES BELOW NORMAL. THE WARMEST DAILY HIGH
FOR THE MONTH WAS 69 DEGREES ON THE 12TH AND 25TH. THE COLDEST
READING FOR THE MONTH WAS 28 DEGREES ON THE 5TH...6TH...AND 9TH. A
NEW RECORD LOW OF 31 DEGREES WAS TIED ON THE 28TH...THE PREVIOUS
RECORD SET IN 2012. A NEW RECORD LOW OF 30 DEGREES WAS SET ON THE
29TH... BREAKING THE OLD RECORD OF 34 DEGREES SET IN 2009. AND
ANOTHER RECORD LOW OF 29 DEGREES WAS SET ON THE 30TH...BREAKING THE
OLD RECORD OF 34 DEGREES SET BACK IN 2008.

TOTAL PRECIPITATION FOR THE MONTH WAS 2.34 INCHES...WHICH WAS 117
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS THE
27TH AND THE 28TH...WHEN 0.46 OF AN INCH OF PRECIPITATION FELL. BOTH
DAYS SET NEW RECORDS FOR PRECIPITATION. 0.19 OF AN INCH FELL ON THE
27TH...BREAKING THE PREVIOUS RECORD OF 0.13 OF AN INCH...SET IN
2004. 0.33 OF AN INCH FELL ON THE 28TH...BREAKING THE PREVIOUS
RECORD OF 0.10 OF AN INCH...SET IN 2004. 0.30 OF AN INCH OF
PRECIPITATION FELL ON THE 16TH...BREAKING THE PREVIOUS RECORD OF
0.23 OF AN INCH...SET IN 2010. 0.35 OF AN INCH OF
PRECIPITATION FELL ON THE 26TH...BREAKING THE PREVIOUS RECORD OF
0.16 OF AN INCH...SET IN 2005. THE HIGHEST WIND GUST WAS 34
MPH...WHICH OCCURRED ON THE 4TH.


...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF JUNE
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              82   06/28/2013
                        06/24/2012
                        06/29/2007
 LOW               21   06/04/2011
HIGHEST            69   06/25
                        06/12
LOWEST             28   06/09
                        06/06
                        06/05
AVG. MAXIMUM     58.7
AVG. MINIMUM     31.7
MEAN             45.2              48.6    -3.4
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     19
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.34   2010
 MINIMUM         0.35   2007
TOTALS           2.34              2.00    0.34
DAILY AVG.       0.08
DAYS >= .01        18
DAYS >= .10         9
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.46   06/27 TO 06/28

DEGREE_DAYS
HEATING TOTAL     586               493      93
 SINCE 7/1      11895             11521     374
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              3.0
HIGHEST WIND SPEED/DIRECTION    20/300    DATE  06/03
HIGHEST GUST SPEED/DIRECTION    34/310    DATE  06/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           30
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     66

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

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

LOOKING AHEAD TO JULY 2014...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 69 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 38 DEGREE. THE AVERAGE HIGH BY THE END OF THE MONTH IS 74
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 41. THE AVERAGE MONTHLY
PRECIPITATION IS 1.47 INCHES.

$$








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