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FPUS86 KSGX 012033
OPUSAN

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 1858A CATEGORY ONE HURRICANE
STRUCK SAN DIEGOTHE 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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