048 CDUS46 KMTR 120836 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 136 AM PDT FRI SEP 12 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2014 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 79 1250 PM 98 1979 74 5 74 MINIMUM 59 642 AM 49 1951 56 3 62 AVERAGE 69 65 4 68 PRECIPITATION (IN) YESTERDAY 0.00 0.02 1976 0.00 0.00 0.00 MONTH TO DATE 0.00 0.03 -0.03 0.00 SINCE JUL 1 T 0.07 -0.07 T SINCE JAN 1 7.31 13.15 -5.84 1.89 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 22 -19 0 SINCE SEP 1 3 22 -19 0 SINCE JUL 1 23 135 -112 115 COOLING YESTERDAY 4 2 2 3 MONTH TO DATE 27 22 5 30 SINCE SEP 1 27 22 5 30 SINCE JAN 1 280 119 161 130 .................................................................. WIND (MPH) RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 11.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 300 AM LOWEST 54 100 PM AVERAGE 74 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 100 1979 MINIMUM TEMPERATURE (F) 56 47 1970 1946 SUNRISE AND SUNSET SEPTEMBER 12 2014.....SUNRISE 649 AM PDT SUNSET 722 PM PDT SEPTEMBER 13 2014.....SUNRISE 650 AM PDT SUNSET 720 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$