384 CDUS46 KMTR 210841 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 141 AM PDT SUN AUG 21 2016 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 69 239 PM 84 1964 73 -4 69 MINIMUM 58 356 AM 47 1955 56 2 61 AVERAGE 64 65 -1 65 PRECIPITATION (IN) YESTERDAY 0.00 0.04 1997 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 1 1 0 0 MONTH TO DATE 31 31 0 0 SINCE JUN 1 157 201 -44 80 SINCE JUL 1 96 96 0 5 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 5 20 -15 60 SINCE JUN 1 28 65 -37 140 SINCE JAN 1 59 84 -25 153 .................................................................. WIND (MPH) RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 14.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 200 AM LOWEST 59 100 PM AVERAGE 73 .......................................................... 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 2016........SUNRISE 631 AM PDT SUNSET 753 PM PDT AUGUST 22 2016........SUNRISE 632 AM PDT SUNSET 752 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$