433 CDUS46 KMTR 010840 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 139 AM PDT TUE SEP 1 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 76 155 PM 89 2005 74 2 75 MINIMUM 60 600 AM 48 1957 56 4 62 1955 1910 AVERAGE 68 65 3 69 PRECIPITATION (IN) YESTERDAY 0.00 0.01 1964 0.00 0.00 0.00 MONTH TO DATE T 0.04 -0.04 T SINCE OCT 1 16.59 20.48 -3.89 8.57 SINCE JAN 1 3.63 13.12 -9.49 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 2 -2 0 MONTH TO DATE 0 47 -47 1 SINCE JUN 1 80 218 -138 69 SINCE JUL 1 5 113 -108 20 COOLING YESTERDAY 3 2 1 4 MONTH TO DATE 101 33 68 72 SINCE JUN 1 181 78 103 190 SINCE JAN 1 194 97 97 253 .................................................................. WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 10.0 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 84 200 AM LOWEST 54 100 PM AVERAGE 69 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 94 1955 MINIMUM TEMPERATURE (F) 56 49 1981 SUNRISE AND SUNSET SEPTEMBER 1 2015.....SUNRISE 640 AM PDT SUNSET 739 PM PDT SEPTEMBER 2 2015.....SUNRISE 640 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. $$