713 CDUS46 KMTR 100828 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT FRI APR 10 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 9 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 66 301 PM 90 1989 64 2 64 MINIMUM 49 612 AM 38 1953 49 0 51 AVERAGE 58 56 2 58 PRECIPITATION (IN) YESTERDAY 0.00 0.96 1965 0.05 -0.05 0.00 MONTH TO DATE 0.87 0.51 0.36 1.20 SINCE OCT 1 15.90 19.08 -3.18 8.16 SINCE JAN 1 2.94 11.72 -8.78 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 7 9 -2 7 MONTH TO DATE 66 81 -15 57 SINCE MAR 1 210 395 -185 233 SINCE JUL 1 1157 2201 -1044 1778 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 6 SINCE MAR 1 6 1 5 6 SINCE JAN 1 6 1 5 6 .................................................................. WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 7.2 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 100 500 AM LOWEST 48 1200 PM AVERAGE 74 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 91 1988 MINIMUM TEMPERATURE (F) 49 41 1949 SUNRISE AND SUNSET APRIL 10 2015.........SUNRISE 642 AM PDT SUNSET 740 PM PDT APRIL 11 2015.........SUNRISE 640 AM PDT SUNSET 741 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$