945 CDUS46 KMTR 180845 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1245 AM PST SUN JAN 18 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 17 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 58 542 PM 70 1991 56 2 67 MINIMUM 51 713 AM 32 1947 44 7 45 1888 AVERAGE 55 50 5 56 PRECIPITATION (IN) YESTERDAY 0.00 1.06 1973 0.14 -0.14 0.00 MONTH TO DATE 0.00 2.38 -2.38 0.01 SINCE JUL 1 13.38 9.95 3.43 1.50 SINCE JAN 1 0.00 2.38 -2.38 0.01 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 9 MONTH TO DATE 222 255 -33 172 SINCE DEC 1 469 701 -232 639 SINCE JUL 1 657 1265 -608 1140 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 0 0 0 0 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (80) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 4.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 200 AM LOWEST 86 100 PM AVERAGE 93 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 68 1948 MINIMUM TEMPERATURE (F) 44 30 1947 SUNRISE AND SUNSET JANUARY 18 2015.......SUNRISE 722 AM PST SUNSET 518 PM PST JANUARY 19 2015.......SUNRISE 722 AM PST SUNSET 519 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$