967 CDUS46 KMTR 210834 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 134 AM PDT FRI AUG 21 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 69 305 PM 84 1964 73 -4 73 MINIMUM 61 1159 PM 47 1955 56 5 62 AVERAGE 65 65 0 68 PRECIPITATION (IN) YESTERDAY 0.00 0.04 1997 0.00 0.00 0.00 MONTH TO DATE T 0.02 -0.02 T SINCE OCT 1 16.59 20.46 -3.87 8.57 SINCE JAN 1 3.63 13.10 -9.47 7.31 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.0 SINCE JUN 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 31 -31 1 SINCE JUN 1 80 201 -121 69 SINCE JUL 1 5 96 -91 20 COOLING YESTERDAY 0 1 -1 3 MONTH TO DATE 60 20 40 42 SINCE JUN 1 140 65 75 160 SINCE JAN 1 153 84 69 223 .................................................................. WIND (MPH) RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 11.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 1100 PM LOWEST 57 200 PM AVERAGE 71 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 85 1974 MINIMUM TEMPERATURE (F) 56 42 1928 SUNRISE AND SUNSET AUGUST 21 2015........SUNRISE 630 AM PDT SUNSET 754 PM PDT AUGUST 22 2015........SUNRISE 631 AM PDT SUNSET 753 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$