320 CDUS46 KMTR 170845 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT SAT SEP 17 2016 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 69 244 PM 90 1968 74 -5 70 MINIMUM 55 1159 PM 49 2006 56 -1 58 AVERAGE 62 65 -3 64 PRECIPITATION (IN) YESTERDAY 0.00 0.88 1989 0.01 -0.01 T MONTH TO DATE 0.00 0.06 -0.06 T SINCE OCT 1 17.23 20.54 -3.31 16.59 SINCE JAN 1 12.44 13.18 -0.74 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 3 2 1 1 MONTH TO DATE 35 32 3 8 SINCE SEP 1 35 32 3 8 SINCE JUL 1 138 145 -7 13 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 12 31 -19 52 SINCE SEP 1 12 31 -19 52 SINCE JAN 1 77 128 -51 246 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 11.1 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 86 1200 AM LOWEST 55 200 PM AVERAGE 71 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 94 1984 MINIMUM TEMPERATURE (F) 56 50 1988 1946 1945 SUNRISE AND SUNSET SEPTEMBER 17 2016.....SUNRISE 654 AM PDT SUNSET 713 PM PDT SEPTEMBER 18 2016.....SUNRISE 654 AM PDT SUNSET 712 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$