646 CDUS46 KMTR 190845 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT MON SEP 19 2016 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 88 134 PM 93 2009 74 14 79 MINIMUM 56 614 AM 46 1955 56 0 56 AVERAGE 72 65 7 68 PRECIPITATION (IN) YESTERDAY 0.00 2.29 1959 0.00 0.00 0.00 MONTH TO DATE 0.00 0.07 -0.07 T SINCE OCT 1 17.23 20.55 -3.32 16.59 SINCE JAN 1 12.44 13.19 -0.75 3.63 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 38 36 2 9 SINCE SEP 1 38 36 2 9 SINCE JUL 1 141 149 -8 14 COOLING YESTERDAY 7 1 6 3 MONTH TO DATE 19 33 -14 55 SINCE SEP 1 19 33 -14 55 SINCE JAN 1 84 130 -46 249 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 8.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 83 600 AM LOWEST 27 200 PM AVERAGE 55 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 93 2000 1919 MINIMUM TEMPERATURE (F) 56 46 1954 1947 SUNRISE AND SUNSET SEPTEMBER 19 2016.....SUNRISE 655 AM PDT SUNSET 710 PM PDT SEPTEMBER 20 2016.....SUNRISE 656 AM PDT SUNSET 709 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$