Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 011242
CLMP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
330 AM MDT FRI JUL 1 2016

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE LAKE YELLOWSTONE FOR
THE MONTH OF JUNE 2016...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JUNE 2016 WILL BE
AVAILABLE APPROXIMATELY IN AUGUST 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

...JUNE WAS MUCH WARMER AND DRIER THAN NORMAL FOR LAKE YELLOWSTONE...

THE AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN JUNE WAS 52.5
DEGREES...WHICH WAS 3.9 DEGREES ABOVE NORMAL. THIS MAKES IT THE 2ND
WARMEST JUNE ON RECORD. THE WARMEST READING OF THE MONTH WAS 82
DEGREES ON THE 28TH. THE COLDEST READING WAS 28 DEGREES ON THE 1ST.
SEVERAL NEW RECORD HIGHS OCCURRING DURING THE MONTH...

72 DEGREES ON THE 4TH...    OLD RECORD WAS 68 IN 2012
72 DEGREES ON THE 5TH...    OLD RECORD WAS 70 IN 2004
75 DEGREES ON THE 6TH...    OLD RECORD WAS 74 IN 2006
73 DEGREES ON THE 8TH...    OLD RECORD WAS 73 IN 2013
73 DEGREES ON THE 9TH...    OLD RECORD WAS 73 IN 2013
77 DEGREES ON THE 10TH...   OLD RECORD WAS 75 IN 2013
74 DEGREES ON THE 18TH...   OLD RECORD WAS 74 IN 2015

TOTAL PRECIPITATION FOR THE MONTH WAS 0.95 INCHES...WHICH WAS 48
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS THE
14TH AND 15TH...WHEN 0.40 OF AN INCH OF PRECIPITATION FELL. NO
PRECIPITATION RECORDS WERE SET DURING THE MONTH. THE HIGHEST WIND
GUST WAS 36 MPH ON THE 28TH.

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF JUNE 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              83   06/29/2015
 LOW               21   06/04/2011
HIGHEST            82   06/28
LOWEST             28   06/01
AVG. MAXIMUM     69.8
AVG. MINIMUM     35.3
MEAN             52.5              48.6     3.9
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      8
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.34   2010
 MINIMUM         0.35   2007
TOTALS           0.95              2.00   -1.05
DAILY AVG.       0.03
DAYS >= .01         7
DAYS >= .10         4
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.40   06/14 TO 06/15

DEGREE_DAYS
HEATING TOTAL     368               493    -125
 SINCE 7/1      11121             11521    -400
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              3.2
HIGHEST WIND SPEED/DIRECTION    23/280    DATE  06/28
HIGHEST GUST SPEED/DIRECTION    36/270    DATE  06/28

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)     57

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 2016...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 74 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 39 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 72
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 40 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.23 INCHES.

$$


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