564 CDUS46 KMTR 170836 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 136 AM PDT FRI APR 17 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 16 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 80 245 PM 81 1999 65 15 73 MINIMUM 51 344 AM 40 1975 49 2 52 AVERAGE 66 57 9 63 PRECIPITATION (IN) YESTERDAY 0.00 0.64 2000 0.04 -0.04 0.00 MONTH TO DATE 0.87 0.82 0.05 1.20 SINCE OCT 1 15.90 19.39 -3.49 8.16 SINCE JAN 1 2.94 12.03 -9.09 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 0 8 -8 2 MONTH TO DATE 103 141 -38 89 SINCE MAR 1 247 455 -208 265 SINCE JUL 1 1194 2261 -1067 1810 COOLING YESTERDAY 1 0 1 0 MONTH TO DATE 1 0 1 6 SINCE MAR 1 7 1 6 6 SINCE JAN 1 7 1 6 6 .................................................................. WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 8.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 59 500 AM LOWEST 19 200 PM AVERAGE 39 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 82 1954 MINIMUM TEMPERATURE (F) 49 40 1963 SUNRISE AND SUNSET APRIL 17 2015.........SUNRISE 632 AM PDT SUNSET 747 PM PDT APRIL 18 2015.........SUNRISE 631 AM PDT SUNSET 748 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$