Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 012051
CLMP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
246 PM MDT MON JUL 1 2019

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LAKE YELLOWSTONE FOR THE
MONTH OF JUNE 2019...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JUNE 2019 WILL BE
AVAILABLE APPROXIMATELY IN 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

...JUNE WAS COOLER AND WETTER THAN NORMAL FOR LAKE YELLOWSTONE...

THE AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN JUNE WAS 46.0
DEGREES...WHICH WAS 2.6 DEGREES BELOW NORMAL. THE WARMEST READING OF
THE MONTH WAS 73 DEGREES ON THE 28TH...AND THE COLDEST WAS 22
DEGREES ON THE 9TH.

TOTAL PRECIPITATION FOR THE MONTH WAS 2.20 INCHES...WHICH WAS 110
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS THE
7TH WHEN 0.74 INCHES FELL. THE HIGHEST WIND GUST FOR THE MONTH WAS
33 MPH ON THE 19TH.

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF JUNE
2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              83   06/29/2015
 LOW               21   06/04/2011
HIGHEST            73   06/28
LOWEST             22   06/09
AVG. MAXIMUM     59.9
AVG. MINIMUM     32.0
MEAN             46.0              48.6    -2.6
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     15
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.34   2010
 MINIMUM         0.35   2007
TOTALS           2.20              2.00    0.20
DAILY AVG.       0.07
DAYS >= .01        16
DAYS >= .10         6
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.74   06/07 TO 06/07

DEGREE_DAYS
HEATING TOTAL     562               493      69
 SINCE 7/1      11652             11521     131
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              2.5
HIGHEST WIND SPEED/DIRECTION    17/260    DATE  06/06
HIGHEST GUST SPEED/DIRECTION    33/260    DATE  06/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP                0
HEAVY RAIN                0     RAIN                        1
LIGHT RAIN               15     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        3
LIGHT SNOW                2     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 2019...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 69 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 38. THE AVERAGE HIGH TEMPERATURE 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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