800 CDUS46 KMTR 120845 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT MON MAY 12 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 11 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 75 233 PM 85 1959 67 8 69 MINIMUM 51 213 AM 42 1982 51 0 51 1953 AVERAGE 63 59 4 60 PRECIPITATION (IN) YESTERDAY 0.00 0.11 1958 0.02 -0.02 0.00 MONTH TO DATE T 0.22 -0.22 T SINCE JUL 1 8.80 20.29 -11.49 12.83 SINCE JAN 1 7.31 12.72 -5.41 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 2 6 -4 5 MONTH TO DATE 40 72 -32 35 SINCE MAR 1 359 634 -275 542 SINCE JUL 1 1904 2440 -536 2426 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 9 0 9 20 SINCE MAR 1 30 6 24 24 SINCE JAN 1 30 6 24 24 .................................................................. WIND (MPH) RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 15.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 77 1100 PM LOWEST 25 200 PM AVERAGE 51 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 96 1976 MINIMUM TEMPERATURE (F) 51 42 1953 SUNRISE AND SUNSET MAY 12 2014...........SUNRISE 603 AM PDT SUNSET 810 PM PDT MAY 13 2014...........SUNRISE 602 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. $$