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FPUS86 KSGX 011441
OPUSAN

OTHER PUBLIC PRODUCTS
NATIONAL WEATHER SERVICE SAN DIEGO, CA
730 AM PDT WED OCT 1 2014

                OCTOBER WEATHER IN SAN DIEGO

OCTOBER IS THE LAST OF THE DRY MONTHS AND IS USUALLY A TRANSITIONAL
PERIOD WITH VARIABLE WEATHER...A MIXTURE THAT INCLUDES WEATHER FROM
THE PREVIOUS DRY MONTHS WITH A PREVIEW OF THE UPCOMING WET MONTHS.

THE NORMAL DAILY MAXIMUM TEMPERATURE IS 72.8 DEGREES AND THE NORMAL
DAILY MINIMUM IS 60.6 DEGREES WITH A MEAN MONTHLY TEMPERATURE OF
66.7 DEGREES.  EXTREMES FOR THE MONTH RANGE FROM 107 DEGREES IN 1961
TO 43 DEGREES IN 1971.

THERE ARE 2 DAYS OF MEASURABLE RAIN ON THE AVERAGE...INCLUDING ONE
DAY OF THUNDERSHOWERS.  THESE WET DAYS USUALLY OCCUR LATE IN THE
MONTH AS STORM SYSTEMS FROM THE PACIFIC NORTHWEST MOVE FARTHER
SOUTH.  THE AVERAGE RAINFALL IS 0.57 INCH.  THIS IS 0.42 OF INCH
MORE THAN SEPTEMBER AND 0.44 LESS THAN NOVEMBER.  THE GREATEST
MONTHLY TOTAL WAS 4.98 INCHES IN 2004. THE MINIMUM IS ZERO WHICH
LAST OCCURRED IN 2009. ON OCTOBER 3 1858 A CATEGORY ONE HURRICANE
STRUCK SAN DIEGO...THE ONLY DOCUMENTED HURRICANE TO STRIKE THE WEST
COAST OF THE UNITED STATES.

OCTOBER HAS PLENTY OF SUNSHINE WITH 68 PERCENT OF POSSIBLE. OCTOBER
AVERAGES 14 CLEAR DAYS...10 PARTLY CLOUDY AND 7 CLOUDY DAYS.  DURING
THE MONTH THERE ARE AN AVERAGE OF 3 DAYS OF HEAVY FOG. THERE IS AN
AVERAGE OF ONE DAY OF CLEAR...DRY WEATHER WHEN SANTA ANA WINDS PUSH
TEMPERATURES INTO THE 90S.

RELATIVE HUMIDITY AVERAGES 75 PERCENT IN THE EARLY MORNING...60
PERCENT NEAR NOON AND 62 PERCENT IN THE LATE AFTERNOON.  WIND SPEEDS
AVERAGE 6.5 MPH. THE STRONGEST WIND FOR THE MONTH OCCURRED ON THE
20TH AT 929AM AND WAS FROM THE SOUTH AT 39 MPH IN 2004.















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