370 CDUS46 KMTR 120845 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1245 AM PST MON JAN 12 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 11 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 56 649 PM 69 1959 56 0 58 MINIMUM 47 654 AM 30 1949 44 3 46 AVERAGE 52 50 2 52 PRECIPITATION (IN) YESTERDAY 0.00 1.30 1980 0.15 -0.15 T MONTH TO DATE 0.00 1.54 -1.54 0.01 SINCE JUL 1 13.38 9.11 4.27 1.50 SINCE JAN 1 0.00 1.54 -1.54 0.01 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.0 SINCE DEC 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 13 15 -2 13 MONTH TO DATE 153 165 -12 125 SINCE DEC 1 400 611 -211 592 SINCE JUL 1 588 1175 -587 1093 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 0 0 0 0 .................................................................. WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 4.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 200 AM LOWEST 86 400 PM AVERAGE 93 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 70 2009 MINIMUM TEMPERATURE (F) 44 32 1963 1949 SUNRISE AND SUNSET JANUARY 12 2015.......SUNRISE 724 AM PST SUNSET 512 PM PST JANUARY 13 2015.......SUNRISE 724 AM PST SUNSET 513 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$