428 CDUS46 KMTR 110837 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1237 AM PST SUN DEC 11 2016 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 61 145 PM 70 1958 57 4 61 MINIMUM 52 1159 PM 29 1972 45 7 51 AVERAGE 57 51 6 56 PRECIPITATION (IN) YESTERDAY 0.64 1.48 1996 0.11 0.53 0.47 MONTH TO DATE 2.44 1.13 1.31 0.68 SINCE OCT 1 6.76 4.46 2.30 2.10 SINCE JAN 1 19.20 17.75 1.45 5.75 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.0 SINCE DEC 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 8 14 -6 9 MONTH TO DATE 115 134 -19 109 SINCE DEC 1 115 134 -19 109 SINCE JUL 1 529 698 -169 466 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 142 164 -22 327 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 9.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 300 AM LOWEST 77 900 PM AVERAGE 85 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 74 1958 MINIMUM TEMPERATURE (F) 45 26 1972 SUNRISE AND SUNSET DECEMBER 11 2016......SUNRISE 715 AM PST SUNSET 451 PM PST DECEMBER 12 2016......SUNRISE 716 AM PST SUNSET 452 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$