923 CDUS46 KMTR 220839 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1239 AM PST TUE DEC 22 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 59 1159 PM 68 1999 56 3 63 MINIMUM 51 436 AM 28 1990 44 7 58 AVERAGE 55 50 5 61 PRECIPITATION (IN) YESTERDAY 0.92 1.73 1945 0.15 0.77 0.02 MONTH TO DATE 2.98 2.59 0.39 10.62 SINCE OCT 1 4.40 5.92 -1.52 12.92 SINCE JAN 1 8.05 19.21 -11.16 20.65 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 10 15 -5 4 MONTH TO DATE 262 295 -33 126 SINCE DEC 1 262 295 -33 126 SINCE JUL 1 619 859 -240 314 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 327 164 163 497 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 14.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 96 1200 AM LOWEST 80 1100 AM AVERAGE 88 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 68 1999 MINIMUM TEMPERATURE (F) 44 27 1990 SUNRISE AND SUNSET DECEMBER 22 2015......SUNRISE 721 AM PST SUNSET 455 PM PST DECEMBER 23 2015......SUNRISE 722 AM PST SUNSET 456 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$