183 CDUS46 KMTR 200838 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 AM PDT SUN SEP 20 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 85 147 PM 93 2000 74 11 74 1919 MINIMUM 55 417 AM 46 1954 56 -1 63 1947 AVERAGE 70 65 5 69 PRECIPITATION (IN) YESTERDAY 0.00 0.46 1977 0.01 -0.01 0.00 MONTH TO DATE T 0.08 -0.08 0.01 SINCE OCT 1 16.59 20.56 -3.97 8.58 SINCE JAN 1 3.63 13.20 -9.57 7.32 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 9 38 -29 3 SINCE SEP 1 9 38 -29 3 SINCE JUL 1 14 151 -137 23 COOLING YESTERDAY 5 1 4 4 MONTH TO DATE 60 34 26 64 SINCE SEP 1 60 34 26 64 SINCE JAN 1 254 131 123 317 .................................................................. WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 6.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 1200 AM LOWEST 34 200 PM AVERAGE 60 .......................................................... 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 2015.....SUNRISE 655 AM PDT SUNSET 710 PM PDT SEPTEMBER 21 2015.....SUNRISE 656 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. $$