632 CDUS46 KMTR 100827 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT THU SEP 10 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 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 91 309 PM 92 1951 74 17 71 MINIMUM 60 1159 PM 46 1946 56 4 59 AVERAGE 76 65 11 65 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 16.59 20.51 -3.92 8.57 SINCE JAN 1 3.63 13.15 -9.52 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 0 2 -2 0 MONTH TO DATE 3 18 -15 3 SINCE SEP 1 3 18 -15 3 SINCE JUL 1 8 131 -123 23 COOLING YESTERDAY 11 2 9 0 MONTH TO DATE 44 18 26 19 SINCE SEP 1 44 18 26 19 SINCE JAN 1 238 115 123 272 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 9.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 64 900 AM LOWEST 19 300 PM AVERAGE 42 .......................................................... 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 2015.....SUNRISE 647 AM PDT SUNSET 725 PM PDT SEPTEMBER 11 2015.....SUNRISE 648 AM PDT SUNSET 724 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$