255 CDUS46 KMTR 230826 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT TUE SEP 23 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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 78 1241 PM 91 1946 74 4 70 MINIMUM 65 1159 PM 48 1981 56 9 55 1910 AVERAGE 72 64 8 63 PRECIPITATION (IN) YESTERDAY 0.00 0.20 1990 0.01 -0.01 0.00 MONTH TO DATE 0.01 0.10 -0.09 0.23 SINCE JUL 1 0.01 0.14 -0.13 0.23 SINCE JAN 1 7.32 13.22 -5.90 2.12 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 44 -41 12 SINCE SEP 1 3 44 -41 12 SINCE JUL 1 23 157 -134 127 COOLING YESTERDAY 7 1 6 0 MONTH TO DATE 81 37 44 34 SINCE SEP 1 81 37 44 34 SINCE JAN 1 334 134 200 134 .................................................................. WIND (MPH) RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 12.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 81 1200 AM LOWEST 50 100 PM AVERAGE 66 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 92 1978 MINIMUM TEMPERATURE (F) 55 45 1972 SUNRISE AND SUNSET SEPTEMBER 23 2014.....SUNRISE 658 AM PDT SUNSET 705 PM PDT SEPTEMBER 24 2014.....SUNRISE 659 AM PDT SUNSET 703 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$