642 CDUS46 KMTR 130836 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 136 AM PDT TUE SEP 13 2016 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 66 127 PM 100 1979 74 -8 73 MINIMUM 54 502 AM 47 1970 56 -2 57 1946 AVERAGE 60 65 -5 65 PRECIPITATION (IN) YESTERDAY 0.00 0.07 1963 0.01 -0.01 0.00 MONTH TO DATE 0.00 0.04 -0.04 0.00 SINCE OCT 1 17.23 20.52 -3.29 16.59 SINCE JAN 1 12.44 13.16 -0.72 3.63 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 5 2 3 0 MONTH TO DATE 26 24 2 3 SINCE SEP 1 26 24 2 3 SINCE JUL 1 129 137 -8 8 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 12 24 -12 51 SINCE SEP 1 12 24 -12 51 SINCE JAN 1 77 121 -44 245 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 10.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 83 200 AM LOWEST 52 100 PM AVERAGE 68 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 101 1971 MINIMUM TEMPERATURE (F) 56 47 1947 SUNRISE AND SUNSET SEPTEMBER 13 2016.....SUNRISE 650 AM PDT SUNSET 719 PM PDT SEPTEMBER 14 2016.....SUNRISE 651 AM PDT SUNSET 718 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$