802 CDUS46 KMTR 200829 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT TUE MAY 20 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 19 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 68 115 PM 86 1983 68 0 75 1892 MINIMUM 56 348 AM 42 1950 52 4 51 AVERAGE 62 60 2 63 PRECIPITATION (IN) YESTERDAY T 0.30 1961 0.01 -0.01 0.00 MONTH TO DATE T 0.34 -0.34 T SINCE JUL 1 8.80 20.41 -11.61 12.83 SINCE JAN 1 7.31 12.84 -5.53 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 3 6 -3 2 MONTH TO DATE 49 120 -71 79 SINCE MAR 1 384 682 -298 586 SINCE JUL 1 1929 2488 -559 2470 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 41 0 41 20 SINCE MAR 1 62 6 56 24 SINCE JAN 1 62 6 56 24 .................................................................. WIND (MPH) RESULTANT WIND SPEED 19 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 18.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 80 1200 AM LOWEST 52 1200 PM AVERAGE 66 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 93 1988 MINIMUM TEMPERATURE (F) 52 45 1982 SUNRISE AND SUNSET MAY 20 2014...........SUNRISE 556 AM PDT SUNSET 816 PM PDT MAY 21 2014...........SUNRISE 555 AM PDT SUNSET 817 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$