899 CDUS46 KMTR 100845 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT SAT SEP 10 2016 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 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 67 134 PM 92 1951 74 -7 91 MINIMUM 56 1159 PM 46 1946 56 0 60 AVERAGE 62 65 -3 76 PRECIPITATION (IN) YESTERDAY 0.00 0.26 1978 0.01 -0.01 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 3 2 1 0 MONTH TO DATE 15 18 -3 3 SINCE SEP 1 15 18 -3 3 SINCE JUL 1 118 131 -13 8 COOLING YESTERDAY 0 2 -2 11 MONTH TO DATE 12 18 -6 44 SINCE SEP 1 12 18 -6 44 SINCE JAN 1 77 115 -38 238 .................................................................. WIND (MPH) RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 13.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 400 AM LOWEST 63 1200 PM AVERAGE 78 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 94 1979 MINIMUM TEMPERATURE (F) 56 49 1947 SUNRISE AND SUNSET SEPTEMBER 10 2016.....SUNRISE 648 AM PDT SUNSET 724 PM PDT SEPTEMBER 11 2016.....SUNRISE 649 AM PDT SUNSET 723 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$