295 CDUS46 KMTR 180829 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT THU SEP 18 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 82 207 PM 94 1984 74 8 68 MINIMUM 62 625 AM 50 1988 56 6 57 1946 1945 AVERAGE 72 65 7 63 PRECIPITATION (IN) YESTERDAY T 0.28 1982 0.01 -0.01 0.00 MONTH TO DATE T 0.07 -0.07 0.00 SINCE JUL 1 T 0.11 -0.11 T SINCE JAN 1 7.31 13.19 -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 2 MONTH TO DATE 3 34 -31 8 SINCE SEP 1 3 34 -31 8 SINCE JUL 1 23 147 -124 123 COOLING YESTERDAY 7 1 6 0 MONTH TO DATE 53 32 21 31 SINCE SEP 1 53 32 21 31 SINCE JAN 1 306 129 177 131 .................................................................. WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 10.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 90 300 AM LOWEST 42 200 PM AVERAGE 66 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 93 2009 MINIMUM TEMPERATURE (F) 56 46 1955 SUNRISE AND SUNSET SEPTEMBER 18 2014.....SUNRISE 654 AM PDT SUNSET 712 PM PDT SEPTEMBER 19 2014.....SUNRISE 655 AM PDT SUNSET 711 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$