809 CDUS46 KMTR 200834 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 133 AM PDT SAT SEP 20 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 74 222 PM 93 2000 74 0 80 1919 MINIMUM 63 517 AM 46 1954 56 7 54 1947 AVERAGE 69 65 4 67 PRECIPITATION (IN) YESTERDAY 0.00 0.46 1977 0.01 -0.01 0.00 MONTH TO DATE 0.01 0.08 -0.07 0.00 SINCE JUL 1 0.01 0.12 -0.11 T SINCE JAN 1 7.32 13.20 -5.88 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 38 -35 8 SINCE SEP 1 3 38 -35 8 SINCE JUL 1 23 151 -128 123 COOLING YESTERDAY 4 1 3 2 MONTH TO DATE 64 34 30 34 SINCE SEP 1 64 34 30 34 SINCE JAN 1 317 131 186 134 .................................................................. WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 10.7 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 93 1200 AM LOWEST 68 200 PM AVERAGE 81 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 93 1990 MINIMUM TEMPERATURE (F) 56 48 1965 1954 1947 SUNRISE AND SUNSET SEPTEMBER 20 2014.....SUNRISE 656 AM PDT SUNSET 709 PM PDT SEPTEMBER 21 2014.....SUNRISE 657 AM PDT SUNSET 708 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$