144 CDUS46 KMTR 010845 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT SAT AUG 1 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 31 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 73 155 PM 97 1993 72 1 72 MINIMUM 60 527 AM 49 1956 56 4 58 AVERAGE 67 64 3 65 PRECIPITATION (IN) YESTERDAY 0.00 0.02 1949 0.00 0.00 0.00 MONTH TO DATE T T 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 62 -57 19 SINCE JUN 1 80 170 -90 68 SINCE JUL 1 5 65 -60 19 COOLING YESTERDAY 2 1 1 0 MONTH TO DATE 63 24 39 83 SINCE JUN 1 80 45 35 118 SINCE JAN 1 93 64 29 181 .................................................................. WIND (MPH) RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 13.4 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 90 1200 AM LOWEST 61 100 PM AVERAGE 76 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 100 1993 MINIMUM TEMPERATURE (F) 56 48 1951 SUNRISE AND SUNSET AUGUST 1 2015........SUNRISE 613 AM PDT SUNSET 818 PM PDT AUGUST 2 2015........SUNRISE 614 AM PDT SUNSET 817 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$