338 CDUS46 KMTR 290836 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1235 AM PST THU JAN 29 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 28 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 64 252 PM 69 1984 57 7 65 MINIMUM 49 552 AM 33 1975 45 4 53 1948 AVERAGE 57 51 6 59 PRECIPITATION (IN) YESTERDAY 0.00 1.04 1981 0.13 -0.13 0.00 MONTH TO DATE 0.00 3.78 -3.78 0.01 SINCE JUL 1 13.38 11.35 2.03 1.50 SINCE JAN 1 0.00 3.78 -3.78 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 8 14 -6 6 MONTH TO DATE 319 413 -94 272 SINCE DEC 1 566 859 -293 739 SINCE JUL 1 754 1423 -669 1240 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 W (280) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 4.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 100 700 AM LOWEST 67 200 PM AVERAGE 84 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 66 2009 1989 MINIMUM TEMPERATURE (F) 45 31 1979 SUNRISE AND SUNSET JANUARY 29 2015.......SUNRISE 716 AM PST SUNSET 530 PM PST JANUARY 30 2015.......SUNRISE 715 AM PST SUNSET 531 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$