793 CDUS46 KMTR 080835 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1235 AM PST THU DEC 8 2016 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 51 554 PM 69 1979 58 -7 58 MINIMUM 42 416 AM 33 1960 45 -3 54 AVERAGE 47 52 -5 56 PRECIPITATION (IN) YESTERDAY 0.44 1.86 1997 0.13 0.31 0.00 MONTH TO DATE 0.44 0.78 -0.34 0.21 SINCE OCT 1 4.76 4.11 0.65 1.63 SINCE JAN 1 17.20 17.40 -0.20 5.28 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 18 14 4 9 MONTH TO DATE 92 92 0 86 SINCE DEC 1 92 92 0 86 SINCE JUL 1 506 656 -150 443 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 4 RESULTANT WIND DIRECTION SE (130) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (110) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 7.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 900 PM LOWEST 46 1200 PM AVERAGE 70 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 69 1988 MINIMUM TEMPERATURE (F) 45 29 1978 SUNRISE AND SUNSET DECEMBER 8 2016......SUNRISE 712 AM PST SUNSET 451 PM PST DECEMBER 9 2016......SUNRISE 713 AM PST SUNSET 451 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$