058 CDUS46 KMTR 010837 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1237 AM PST SUN JAN 1 2017 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 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 53 157 PM 67 1996 56 -3 51 1958 MINIMUM 44 713 AM 29 1978 44 0 39 AVERAGE 49 50 -1 45 PRECIPITATION (IN) YESTERDAY T 1.86 2005 0.14 -0.14 0.00 MONTH TO DATE 4.63 4.03 0.60 3.37 SINCE OCT 1 8.95 7.36 1.59 4.79 SINCE JAN 1 21.39 20.65 0.74 8.44 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 16 15 1 20 MONTH TO DATE 437 445 -8 443 SINCE DEC 1 437 446 -9 443 SINCE JUL 1 851 1010 -159 800 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 3 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 7.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 77 1000 AM LOWEST 52 100 AM AVERAGE 65 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 68 1996 MINIMUM TEMPERATURE (F) 44 31 1965 1952 SUNRISE AND SUNSET JANUARY 1 2017.......SUNRISE 725 AM PST SUNSET 502 PM PST JANUARY 2 2017.......SUNRISE 725 AM PST SUNSET 503 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$