529 CDUS46 KMTR 160833 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 133 AM PDT THU APR 16 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 15 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 69 126 PM 83 1966 65 4 65 MINIMUM 48 332 AM 38 1975 49 -1 52 1955 AVERAGE 59 57 2 59 PRECIPITATION (IN) YESTERDAY 0.00 1.02 1978 0.04 -0.04 0.00 MONTH TO DATE 0.87 0.78 0.09 1.20 SINCE OCT 1 15.90 19.35 -3.45 8.16 SINCE JAN 1 2.94 11.99 -9.05 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 6 8 -2 6 MONTH TO DATE 103 133 -30 87 SINCE MAR 1 247 447 -200 263 SINCE JUL 1 1194 2253 -1059 1808 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 10 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 12.0 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 86 200 AM LOWEST 29 1200 PM AVERAGE 58 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 81 1999 MINIMUM TEMPERATURE (F) 49 40 1975 SUNRISE AND SUNSET APRIL 16 2015.........SUNRISE 633 AM PDT SUNSET 746 PM PDT APRIL 17 2015.........SUNRISE 632 AM PDT SUNSET 747 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$