945 CDUS46 KMTR 190831 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 131 AM PDT FRI AUG 19 2016 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 73 103 PM 88 1934 73 0 76 MINIMUM 58 546 AM 48 1957 56 2 59 AVERAGE 66 65 1 68 PRECIPITATION (IN) YESTERDAY 0.00 0.35 1976 0.00 0.00 0.00 MONTH TO DATE 0.00 0.02 -0.02 T SINCE OCT 1 17.23 20.46 -3.23 16.59 SINCE JAN 1 12.44 13.10 -0.66 3.63 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 30 29 1 0 SINCE JUN 1 156 199 -43 80 SINCE JUL 1 95 94 1 5 COOLING YESTERDAY 1 1 0 3 MONTH TO DATE 4 18 -14 58 SINCE JUN 1 27 63 -36 138 SINCE JAN 1 58 82 -24 151 .................................................................. WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (310) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 9.5 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 87 300 AM LOWEST 57 100 PM AVERAGE 72 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 89 1964 MINIMUM TEMPERATURE (F) 56 49 1955 1894 SUNRISE AND SUNSET AUGUST 19 2016........SUNRISE 629 AM PDT SUNSET 756 PM PDT AUGUST 20 2016........SUNRISE 630 AM PDT SUNSET 755 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$