769 CDUS46 KMTR 250827 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT FRI SEP 25 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 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 85 239 PM 93 1978 73 12 80 MINIMUM 60 549 AM 48 1955 55 5 64 1945 AVERAGE 73 64 9 72 PRECIPITATION (IN) YESTERDAY 0.00 0.18 1986 0.01 -0.01 T MONTH TO DATE T 0.11 -0.11 0.01 SINCE OCT 1 16.59 20.59 -4.00 8.58 SINCE JAN 1 3.63 13.23 -9.60 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 12 48 -36 3 SINCE SEP 1 12 48 -36 3 SINCE JUL 1 17 161 -144 23 COOLING YESTERDAY 8 1 7 7 MONTH TO DATE 91 39 52 94 SINCE SEP 1 91 39 52 94 SINCE JAN 1 285 136 149 347 .................................................................. WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 8.7 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 78 400 AM LOWEST 35 400 PM AVERAGE 57 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 91 1970 1960 MINIMUM TEMPERATURE (F) 55 47 1972 1948 SUNRISE AND SUNSET SEPTEMBER 25 2015.....SUNRISE 700 AM PDT SUNSET 702 PM PDT SEPTEMBER 26 2015.....SUNRISE 701 AM PDT SUNSET 700 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$