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Public Information Statement
Issued by NWS Pendleton, OR

000
NOUS46 KPDT 051605 CCA
PNSPDT

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE PENDLETON OREGON
815 AM PDT WED JUN 5 2013

...MONTH IN REVIEW FOR NORTHEAST OREGON AND SOUTHEAST WASHINGTON FOR
THE MONTH OF MAY 2013...

I.  TEMPERATURE AND PRECIPITATION OVERVIEW

     MAY 2013 AVERAGE TEMPERATURES WERE NEAR TO ABOVE NORMAL ACROSS
THE REGION. TOTAL PRECIPITATION WAS NEAR TO BELOW NORMAL ACROSS MOST
OF THE REGION, EXCEPT SOUTHEAST WASHINGTON WHICH REPORTED ABOVE
NORMAL PRECIPITATION TOTALS.


MAY 2013 DATA AND DEPARTURE FROM NORMAL FOR SELECTED CITIES:

                   MAX   DEP    MIN   DEP    AVE   DEP   PCPN    DEP
                  TEMP  NORM   TEMP  NORM   TEMP  NORM   TOTL   NORM
YAKIMA            75.9  +3.5   44.6  +2.7   60.3  +3.1   2.48   +1.90
KENNEWICK         76.0  +1.5   51.2  +1.7   63.6  +1.6   0.70   +0.06
WALLA WALLA       74.3  +3.9   50.2  +1.9   62.3  +2.9   0.99   -1.14
THE DALLES        73.9  +1.0   48.4  -0.2   61.1  +0.1   1.50   +0.94
REDMOND           70.3  +2.8   34.9  -0.5   52.6  +1.2   0.61   -0.41
PENDLETON AIRPORT 72.2  +2.3   44.2  -1.4   58.2  +0.4   1.18   -0.17
LA GRANDE         68.0  +1.3   41.3  -0.8   54.6  +0.2   1.62   -0.37


II.  SELECTED RECORDS

     A RIDGE OF HIGH PRESSURE BUILT OVER THE REGION DURING THE
MIDDLE OF THE MONTH OF MAY. THIS LED TO SEVERAL DAYS WITH ABOVE
NORMAL TEMPERATURES. SEVERAL WEATHER STATIONS BROKE RECORD HIGH
TEMPERATURES ON MAY 9TH.

CITY                      PREVIOUS RECORD     NEW RECORD
LONG CREEK, OR            80 IN 1969          83
MADRAS, OR                86 IN 1987          87
MEACHAM, OR               73 IN 1969          78
REDMOND, OR               85 IN 1987          85 (TIED)
BICKLETON, WA             85 IN 1987          88
SATUS PASS, WA            83 IN 1969          86
YAKIMA, WA                95 IN 1949          95 (TIED)

THE FOLLOWING STATIONS BROKE RECORD HIGH TEMPERATURES ON MAY 10TH.

CITY                      PREVIOUS RECORD     NEW RECORD
BOARDMAN, OR              92 IN 1993          93
GRIZZLY, OR               84 IN 2001          84 (TIED)
HEPPNER, OR               90 IN 1924          90 (TIED)
HERMISTON ARPT, OR        95 IN 1924          96
LA GRANDE, OR             84 IN 1994          86
LONG CREEK, OR            83 IN 1993          85
MEACHAM, OR               75 IN 1960          83
THE DALLES, OR            92 IN 1993          92 (TIED)
REDMOND, OR               86 IN 1993          87
SENECA, OR                78 IN 1997          79
BICKLETON, WA             84 IN 1949          88
GOLDENDALE, WA            90 IN 1924          91
SATUS PASS, WA            80 IN 2001          88
WALLA WALLA, WA           90 IN 1949          93
WHITMAN MISSION, WA       90 IN 1971          94
YAKIMA, WA                95 IN 1949          97

     THE RECORD HIGH TEMPERATURE OF 97 DEGREES FOR YAKIMA,
WASHINGTON ON MAY 10TH WAS THE RECORD EARLIEST DATE FOR 97 DEGREES
FOR THAT STATION. THE EARLIEST 97 DEGREE DAY OR WARMER WAS MAY 11TH
SET IN 1949.


III.  SIGNIFICANT WEATHER

    LOW PRESSURE SYSTEMS DURING THE LAST HALF OF THE MONTH BROUGHT
HEAVY RAIN TO SEVERAL LOCATIONS, PARTICULARLY ACROSS SOUTH CENTRAL
WASHINGTON. SEVERAL DAYS OF RAIN DURING THE END OF THE MONTH BROUGHT
THE WEATHER STATION AT YAKIMA, WASHINGTON TO A MONTHLY TOTAL OF 2.48
INCHES. THIS BECAME THE THIRD WETTEST MAY ON RECORD FOR YAKIMA. THE
WETTEST MAY ON RECORD FOR YAKIMA IS 2.76 INCHES SET IN 1948.
BICKLETON, WASHINGTON REPORTED THEIR 5TH WETTEST MAY ON RECORD WITH
2.04 INCHES. THE WETTEST MAY ON RECORD FOR BICKLETON IS 2.90 INCHES
SET IN 2010.
     ONE LOW PRESSURE SYSTEM SET UP OVER THE AREA ON MAY 21ST AND
22ND. THIS BROUGHT HEAVY PRECIPITATION TO PORTIONS OF THE REGION.
YAKIMA, WASHINGTON REPORTED 0.94 INCHES OF RAIN DURING THE DAY ON
MAY 22ND, BREAKING THE PREVIOUS RECORD 24-HOUR PRECIPITATION TOTAL
OF 0.27 INCHES SET IN 1990. THE FOLLOWING TABLE LISTS COOPERATIVE
WEATHER STATIONS THAT BROKE RECORD 24-HOUR PRECIPITATION TOTALS
ENDING THE MORNING OF THE 22ND.

CITY                      PREVIOUS RECORD     NEW RECORD
ARLINGTON, OR             0.22 IN 2008        0.45
BOARDMAN, OR              0.40 IN 1996        0.44
MORO, OR                  0.25 IN 1996        0.34
CLE ELUM, WA              0.20 IN 1990        0.22
GOLDENDALE, WA            0.24 IN 1914        0.40
SATUS PASS, WA            0.59 IN 2008        0.61
SUNNYSIDE, WA             0.43 IN 1942        1.05

ENDING MAY 22ND, THE 24-HOUR PRECIPITATION TOTAL FOR SUNNYSIDE WAS
1.05 INCHES, WHICH IS THE THIRD HIGHEST 24-HOUR PRECIPITATION TOTAL
FOR THE MONTH OF MAY FOR SUNNYSIDE. THE HIGHEST MAY 24-HOUR
PRECIPITATION TOTAL FOR SUNNYSIDE IS 1.60 INCHES SET IN 1972.