Climatological Report (Monthly)
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CXUS55 KRIW 012116
CLMP60

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TTAA00 KRIW 011910


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
108 PM MDT SAT NOV 1 2014

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

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

...THIS WAS THE WARMEST OCTOBER ON RECORD FOR THE LAKE YELLOWSTONE
SITE...WITH NEAR NORMAL PRECIPITATION ALSO RECORDED...

THE AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN OCTOBER WAS 38.0
DEGREES...WHICH WAS 2.4 DEGREES ABOVE NORMAL. THIS MAKES IT THE
WARMEST OCTOBER ON RECORD...BREAKING THE PREVIOUS HIGH OF 37.9
DEGREES IN 2010. THE WARMEST DAILY HIGH FOR THE MONTH WAS 62 DEGREES
ON THE 20TH AND 25TH...WHICH BROKE THE PREVIOUS DAILY RECORD FOR THE
25TH OF 59 DEGREES...WHICH WAS LAST SET IN 2005. TWO OTHER RECORD
HIGH TEMPERATURES WERE SET DURING THE MONTH. ON THE 8TH A RECORD
HIGH OF 61 DEGREES TIED THE PREVIOUS RECORD HIGH SET IN 1998. AND ON
THE 31ST A RECORD HIGH OF 57 DEGREES BROKE THE PREVIOUS HIGH OF 55
DEGREES...WHICH WAS LAST SET IN 2008. THE COLDEST READING FOR THE
MONTH WAS 15 DEGREES ON THE 28TH. THERE WAS ONE RECORD LOW
TEMPERATURE RECORD SET DURING THE MONTH. ON THE 3RD A RECORD LOW
TEMPERATURE OF 20 DEGREES TIED THE PREVIOUS RECORD LOW TEMPERATURE
LAST SET IN 2009.

TOTAL PRECIPITATION FOR THE MONTH WAS 1.33 INCHES...WHICH WAS 99
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON
THE 25TH TO THE 26TH...WHEN 0.93 INCHES OF PRECIPITATION FELL. ONE
NEW RECORD WAS SET DURING THE MONTH. 0.45 OF AN INCH OF
PRECIPITATION FELL ON THE 26TH...BREAKING THE PREVIOUS RECORD OF
0.04 INCHES SET IN 2012. THE HIGHEST WIND GUST WAS 32 MPH...WHICH
OCCURRED ON THE 15TH.

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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              74   10/02/2010
 LOW               -6   10/10/2009
HIGHEST            62   10/25
                        10/20
LOWEST             15   10/28
AVG. MAXIMUM     51.3
AVG. MINIMUM     24.8
MEAN             38.0              35.6     2.4
DAYS MAX >= 90      0
DAYS MAX <= 32      1
DAYS MIN <= 32     31
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.50   2000
 MINIMUM         0.36   1998
TOTALS           1.33              1.35   -0.02
DAILY AVG.       0.04
DAYS >= .01         7
DAYS >= .10         4
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.93   10/25 TO 10/26

DEGREE_DAYS
HEATING TOTAL     828               913     -85
 SINCE 7/1       2028              2048     -20
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              3.0
HIGHEST WIND SPEED/DIRECTION    18/280    DATE  10/21
HIGHEST GUST SPEED/DIRECTION    32/290    DATE  10/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           31
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     67

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 NOVEMBER 2014...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 41 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 18 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 26
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 7 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 2.08 INCHES.

$$







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