508 CDUS46 KMTR 120836 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 136 AM PDT WED AUG 12 2020 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 11 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1927 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 77 12:30 PM 84 1959 72 5 84 2019 MINIMUM 58 6:08 AM 48 1946 56 2 58 1951 AVERAGE 68 64 4 71 PRECIPITATION (IN) YESTERDAY 0.00 0.29 1965 0.00 0.00 0.00 MONTH TO DATE 0.00 0.01 -0.01 0.00 SINCE OCT 1 9.12 20.45 -11.33 23.31 SINCE JAN 1 4.11 13.09 -8.98 18.43 SNOWFALL (IN) YESTERDAY MM 0.0 MONTH TO DATE MM SINCE JUN 1 MM SINCE JUL 1 MM DEGREE DAYS HEATING YESTERDAY 0 2 -2 0 MONTH TO DATE 8 22 -14 0 SINCE JUN 1 90 192 -102 80 SINCE JUL 1 48 87 -39 29 COOLING YESTERDAY 3 1 2 6 MONTH TO DATE 15 11 4 22 SINCE JUN 1 62 56 6 116 SINCE JAN 1 85 75 10 125 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 11.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 12:00 AM LOWEST 52 1:00 PM AVERAGE 71 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 89 1958 1959 MINIMUM TEMPERATURE (F) 56 47 1946 SUNRISE AND SUNSET AUGUST 12 2020........SUNRISE 6:23 AM PDT SUNSET 8:05 PM PDT AUGUST 13 2020........SUNRISE 6:24 AM PDT SUNSET 8:04 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$