219 CDUS46 KMTR 210852 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 152 AM PDT MON SEP 21 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 93R 310 PM 93 1990 74 19 77 MINIMUM 61 543 AM 48 1965 56 5 64 1954 1947 AVERAGE 77 65 12 71 PRECIPITATION (IN) YESTERDAY 0.00 0.08 2005 0.00 0.00 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 40 -31 3 SINCE SEP 1 9 40 -31 3 SINCE JUL 1 14 153 -139 23 COOLING YESTERDAY 12 1 11 6 MONTH TO DATE 72 35 37 70 SINCE SEP 1 72 35 37 70 SINCE JAN 1 266 132 134 323 .................................................................. WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (310) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 5.0 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 68 900 AM LOWEST 27 400 PM AVERAGE 48 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 95 2003 MINIMUM TEMPERATURE (F) 56 45 1955 SUNRISE AND SUNSET SEPTEMBER 21 2015.....SUNRISE 656 AM PDT SUNSET 708 PM PDT SEPTEMBER 22 2015.....SUNRISE 657 AM PDT SUNSET 707 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$