063 CDUS46 KMTR 310837 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 AM PDT FRI JUL 31 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 30 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 73 146 PM 97 1977 72 1 72 MINIMUM 60 1159 PM 45 1954 56 4 58 AVERAGE 67 64 3 65 PRECIPITATION (IN) YESTERDAY 0.00 0.03 1966 0.00 0.00 0.00 MONTH TO DATE T 0.00 0.00 T 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 5 60 -55 19 SINCE JUN 1 80 165 -85 68 SINCE JUL 1 5 60 -55 19 COOLING YESTERDAY 2 1 1 0 MONTH TO DATE 61 30 31 83 SINCE JUN 1 78 51 27 118 SINCE JAN 1 91 70 21 181 .................................................................. WIND (MPH) RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 13.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 1200 AM LOWEST 61 300 PM AVERAGE 76 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 97 1993 MINIMUM TEMPERATURE (F) 56 49 1956 SUNRISE AND SUNSET JULY 31 2015..........SUNRISE 612 AM PDT SUNSET 819 PM PDT AUGUST 1 2015........SUNRISE 613 AM PDT SUNSET 818 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$