774 CDUS46 KMTR 110845 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT SUN SEP 11 2016 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 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 67 220 PM 94 1979 74 -7 83 MINIMUM 55 129 AM 49 1947 56 -1 57 AVERAGE 61 65 -4 70 PRECIPITATION (IN) YESTERDAY 0.00 0.00 2007 0.00 0.00 0.00 MONTH TO DATE 0.00 0.03 -0.03 0.00 SINCE OCT 1 17.23 20.51 -3.28 16.59 SINCE JAN 1 12.44 13.15 -0.71 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 4 2 2 0 MONTH TO DATE 19 20 -1 3 SINCE SEP 1 19 20 -1 3 SINCE JUL 1 122 133 -11 8 COOLING YESTERDAY 0 2 -2 5 MONTH TO DATE 12 20 -8 49 SINCE SEP 1 12 20 -8 49 SINCE JAN 1 77 117 -40 243 .................................................................. WIND (MPH) RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 12.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 200 AM LOWEST 63 1200 PM AVERAGE 78 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 98 1979 MINIMUM TEMPERATURE (F) 56 49 1951 SUNRISE AND SUNSET SEPTEMBER 11 2016.....SUNRISE 649 AM PDT SUNSET 723 PM PDT SEPTEMBER 12 2016.....SUNRISE 649 AM PDT SUNSET 721 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$