965 CDUS46 KMTR 270828 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT SUN SEP 27 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 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 71 331 PM 95 1958 73 -2 74 MINIMUM 57 652 AM 46 1948 55 2 62 AVERAGE 64 64 0 68 PRECIPITATION (IN) YESTERDAY 0.00 0.27 1972 0.01 -0.01 0.00 MONTH TO DATE T 0.13 -0.13 0.42 SINCE OCT 1 16.59 20.61 -4.02 8.99 SINCE JAN 1 3.63 13.25 -9.62 7.73 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 1 2 -1 0 MONTH TO DATE 13 52 -39 3 SINCE SEP 1 13 52 -39 3 SINCE JUL 1 18 165 -147 23 COOLING YESTERDAY 0 1 -1 3 MONTH TO DATE 92 41 51 100 SINCE SEP 1 92 41 51 100 SINCE JAN 1 286 138 148 353 .................................................................. WIND (MPH) RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 13.8 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 87 200 AM LOWEST 57 1100 AM AVERAGE 72 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 96 2010 1958 MINIMUM TEMPERATURE (F) 55 47 1955 1948 SUNRISE AND SUNSET SEPTEMBER 27 2015.....SUNRISE 701 AM PDT SUNSET 659 PM PDT SEPTEMBER 28 2015.....SUNRISE 702 AM PDT SUNSET 657 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$