FPUS86 KSGX 011401 RRA
OPUSGX
OTHER PUBLIC PRODUCTS
NATIONAL WEATHER SERVICE SAN DIEGO CA
700 AM PDT FRI JUL 1 2011
                 JULY WEATHER IN SAN DIEGO
NIGHT AND MORNING CLOUDS CONTINUE THROUGH JULY...BUT
AFTERNOONS ARE GENERALLY CLEAR AND BRIGHT.  UNDER THE PROTECTIVE
BLANKET OF MOIST AIR FROM THE PACIFIC, TEMPERATURES ARE LOW FOR
THE LATITUDE.  THE DAILY MAXIMUM TEMPERATURE RARELY EXCEEDS 85
DEGREES.  THE HIGHEST TEMPERATURE IN JULY WAS 100 DEGREES ON THE
30TH IN 1930. THE SECOND HIGHEST TEMPERATURE OF 99 DEGREES WAS 
REACHED ON THE 22ND OF THE MONTH IN 2006.
THE LOWEST TEMPERATURE WAS 54 DEGREES IN 1884.  THE AVERAGE
DAILY MAXIMUM TEMPERATURE IS 75.8 DEGREES...THE DAILY MINIMUM 65.9
DEGREES AND THE MONTHLY MEAN 70.9 DEGREES.  HOT...HUMID WEATHER IS
ALMOST UNKNOWN AND AS A RESULT THUNDERSTORMS RARELY OCCUR...BUT
JULY BEGINS THE THUNDERSTORM SEASON IN THE MOUNTAINS AND DESERTS.
THE MONTH IS IN THE HEART OF THE DRY SEASON AND RAINFALL IS
NEGLIGIBLE AVERAGING ONLY 0.03 INCH.  SINCE THE RECORD BEGAN IN
1850 OVER HALF OF THE JULYS HAVE BEEN WITHOUT MEASURABLE
RAINFALL.  THE WETTEST AND THE ONLY ONE WITH A TOTAL OF OVER AN
INCH WAS 1865 WITH 1.29 INCHES.
AS THERE HAVE BEEN NO STORMS OF ANY INTENSITY DURING JULY...WINDS
HAVE NEVER BEEN STRONG AND THE HIGHEST VELOCITY RECORDED AT THE
NATIONAL WEATHER SERVICE WAS ONLY 30 MPH IN 1925.
THE AVERAGE SUNSHINE IS 68 PERCENT OF THE POSSIBLE OR ABOUT 12
PERCENT ABOVE THE AMOUNT FOR JUNE.  HEAVY FOG HAS AVERAGED ABOUT
ONCE EACH JULY AND NORMALLY THERE ARE 13 CLEAR...13 PARTLY CLOUDY
AND 5 CLOUDY DAYS.  THE RELATIVE HUMIDITY AVERAGES 82 PERCENT
NEAR SUNRISE...69 PERCENT NEAR NOON AND 66 PERCENT AT 4 PM.
$$
JT