791 CDUS46 KMTR 050837 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 AM PDT SUN APR 5 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 4 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 63 119 PM 82 1985 64 -1 60 MINIMUM 50 602 AM 40 1950 48 2 51 AVERAGE 57 56 1 56 PRECIPITATION (IN) YESTERDAY 0.00 0.81 1975 0.06 -0.06 0.22 MONTH TO DATE 0.00 0.24 -0.24 1.20 SINCE OCT 1 15.03 18.81 -3.78 8.16 SINCE JAN 1 2.07 11.45 -9.38 6.90 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 8 9 -1 9 MONTH TO DATE 30 36 -6 39 SINCE MAR 1 174 350 -176 215 SINCE JUL 1 1121 2156 -1035 1760 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 6 1 5 0 SINCE JAN 1 6 1 5 0 .................................................................. WIND (MPH) RESULTANT WIND SPEED 20 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 19.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 1200 AM LOWEST 48 100 PM AVERAGE 69 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 84 1989 MINIMUM TEMPERATURE (F) 48 39 1975 SUNRISE AND SUNSET APRIL 5 2015.........SUNRISE 649 AM PDT SUNSET 736 PM PDT APRIL 6 2015.........SUNRISE 648 AM PDT SUNSET 737 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$