505 CDUS46 KMTR 050838 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 AM PDT WED AUG 5 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 4 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 73 426 PM 87 1998 72 1 75 MINIMUM 61 554 AM 50 1966 56 5 60 AVERAGE 67 64 3 68 PRECIPITATION (IN) YESTERDAY T R T 2012 0.00 0.00 0.00 MONTH TO DATE T 0.00 0.00 0.00 SINCE OCT 1 16.59 20.44 -3.85 8.57 SINCE JAN 1 3.63 13.08 -9.45 7.31 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.0 SINCE JUN 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 0 2 -2 0 MONTH TO DATE 0 8 -8 1 SINCE JUN 1 80 178 -98 69 SINCE JUL 1 5 73 -68 20 COOLING YESTERDAY 2 1 1 3 MONTH TO DATE 11 4 7 4 SINCE JUN 1 91 49 42 122 SINCE JAN 1 104 68 36 185 .................................................................. WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 9.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 84 200 AM LOWEST 49 300 PM AVERAGE 67 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 89 1964 MINIMUM TEMPERATURE (F) 56 49 1950 SUNRISE AND SUNSET AUGUST 5 2015........SUNRISE 617 AM PDT SUNSET 814 PM PDT AUGUST 6 2015........SUNRISE 618 AM PDT SUNSET 813 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$