805 CDUS46 KMTR 170830 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 130 AM PDT THU SEP 17 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 70 1254 PM 90 1968 74 -4 81 MINIMUM 58 629 AM 49 2006 56 2 62 AVERAGE 64 65 -1 72 PRECIPITATION (IN) YESTERDAY T 0.88 1989 0.01 -0.01 0.00 MONTH TO DATE T 0.06 -0.06 0.00 SINCE OCT 1 16.59 20.54 -3.95 8.57 SINCE JAN 1 3.63 13.18 -9.55 7.31 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.0 SINCE SEP 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 1 2 -1 0 MONTH TO DATE 8 32 -24 3 SINCE SEP 1 8 32 -24 3 SINCE JUL 1 13 145 -132 23 COOLING YESTERDAY 0 1 -1 7 MONTH TO DATE 52 31 21 46 SINCE SEP 1 52 31 21 46 SINCE JAN 1 246 128 118 299 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (190) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 9.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 84 900 PM LOWEST 53 1200 PM AVERAGE 69 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 94 1984 MINIMUM TEMPERATURE (F) 56 50 1988 1946 1945 SUNRISE AND SUNSET SEPTEMBER 17 2015.....SUNRISE 653 AM PDT SUNSET 714 PM PDT SEPTEMBER 18 2015.....SUNRISE 654 AM PDT SUNSET 713 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$