462 CDUS46 KMTR 140827 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT TUE MAY 14 2013 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 13 2013... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2013 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 65 221 PM 90 1976 67 -2 66 MINIMUM 51 435 AM 45 1968 51 0 50 1956 1882 AVERAGE 58 59 -1 58 PRECIPITATION (IN) YESTERDAY 0.00 0.32 1995 0.01 -0.01 0.00 MONTH TO DATE T 0.25 -0.25 T SINCE JUL 1 12.83 20.32 -7.49 13.24 SINCE JAN 1 1.83 12.75 -10.92 10.37 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 7 6 1 7 MONTH TO DATE 46 84 -38 74 SINCE MAR 1 553 646 -93 670 SINCE JUL 1 2437 2452 -15 2581 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 20 0 20 2 SINCE MAR 1 24 6 18 7 SINCE JAN 1 24 6 18 7 .................................................................. WIND (MPH) RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 15.7 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 89 200 AM LOWEST 56 600 PM AVERAGE 73 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 87 2006 1922 MINIMUM TEMPERATURE (F) 52 41 1968 SUNRISE AND SUNSET MAY 14 2013...........SUNRISE 601 AM PDT SUNSET 812 PM PDT MAY 15 2013...........SUNRISE 600 AM PDT SUNSET 812 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$