767 CDUS46 KMTR 130835 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 134 AM PDT TUE MAY 13 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 12 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2014 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 84 115 PM 96 1976 67 17 69 MINIMUM 52 444 AM 42 1953 51 1 53 AVERAGE 68 59 9 61 PRECIPITATION (IN) YESTERDAY 0.00 0.40 1998 0.02 -0.02 0.00 MONTH TO DATE T 0.24 -0.24 T SINCE JUL 1 8.80 20.31 -11.51 12.83 SINCE JAN 1 7.31 12.74 -5.43 1.83 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.0 SINCE MAR 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 0 6 -6 4 MONTH TO DATE 40 78 -38 39 SINCE MAR 1 359 640 -281 546 SINCE JUL 1 1904 2446 -542 2430 COOLING YESTERDAY 3 0 3 0 MONTH TO DATE 12 0 12 20 SINCE MAR 1 33 6 27 24 SINCE JAN 1 33 6 27 24 .................................................................. WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 7.8 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 77 200 AM LOWEST 25 1200 PM AVERAGE 51 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 90 1976 MINIMUM TEMPERATURE (F) 51 45 1968 1956 1882 SUNRISE AND SUNSET MAY 13 2014...........SUNRISE 602 AM PDT SUNSET 811 PM PDT MAY 14 2014...........SUNRISE 601 AM PDT SUNSET 811 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$