950 CDUS46 KMTR 180835 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 135 AM PDT SUN MAY 18 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 17 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 67 1154 AM 93 2009 68 -1 64 1997 MINIMUM 57 537 AM 45 1996 52 5 53 AVERAGE 62 60 2 59 PRECIPITATION (IN) YESTERDAY 0.00 0.24 1994 0.01 -0.01 0.00 MONTH TO DATE T 0.31 -0.31 T SINCE JUL 1 8.80 20.38 -11.58 12.83 SINCE JAN 1 7.31 12.81 -5.50 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 6 MONTH TO DATE 44 108 -64 72 SINCE MAR 1 379 670 -291 579 SINCE JUL 1 1924 2476 -552 2463 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 15 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 15.9 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 86 100 AM LOWEST 58 1200 PM AVERAGE 72 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 85 1978 MINIMUM TEMPERATURE (F) 52 42 1974 1950 SUNRISE AND SUNSET MAY 18 2014...........SUNRISE 558 AM PDT SUNSET 815 PM PDT MAY 19 2014...........SUNRISE 557 AM PDT SUNSET 816 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$