370 CDUS46 KMTR 040844 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 143 AM PDT TUE AUG 4 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 73 332 PM 91 1998 72 1 70 MINIMUM 63 544 AM 45 1954 56 7 60 AVERAGE 68 64 4 65 PRECIPITATION (IN) YESTERDAY 0.00 0.01 1953 0.00 0.00 0.00 MONTH TO DATE 0.00 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 6 -6 1 SINCE JUN 1 80 176 -96 69 SINCE JUL 1 5 71 -66 20 COOLING YESTERDAY 3 1 2 0 MONTH TO DATE 9 3 6 1 SINCE JUN 1 89 48 41 119 SINCE JAN 1 102 67 35 182 .................................................................. WIND (MPH) RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (260) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 12.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 78 1200 AM LOWEST 49 200 PM AVERAGE 64 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 87 1998 MINIMUM TEMPERATURE (F) 56 50 1966 SUNRISE AND SUNSET AUGUST 4 2015........SUNRISE 616 AM PDT SUNSET 815 PM PDT AUGUST 5 2015........SUNRISE 617 AM PDT SUNSET 814 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$