262 CDUS46 KMTR 050828 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT TUE AUG 05 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 4 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1927 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 73 2:09 PM 87 1998 73 0 64 MINIMUM 57 3:01 AM 50 1945 56 1 54 1949 1966 AVERAGE 65 64 1 59 PRECIPITATION (IN) YESTERDAY 0.00 T 2015 0.00 0.00 T 2017 2024 MONTH TO DATE 0.00 0.00 0.00 T SINCE OCT 1 16.11 19.53 -3.42 20.13 SINCE JAN 1 7.55 12.56 -5.01 14.80 SNOWFALL (IN) YESTERDAY MM 0.0 MONTH TO DATE T SINCE JUN 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 0 2 -2 6 MONTH TO DATE 8 8 0 17 SINCE JUN 1 220 163 57 180 SINCE JUL 1 77 66 11 67 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 4 -4 0 SINCE JUN 1 2 53 -51 49 SINCE JAN 1 8 73 -65 60 ................................................................... WIND (MPH) RESULTANT WIND SPEED 20 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 19.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 80 12:00 AM LOWEST 35 2:00 PM AVERAGE 58 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 89 1964 MINIMUM TEMPERATURE (F) 56 49 1950 SUNRISE AND SUNSET AUGUST 5 2025........SUNRISE 6:17 AM PDT SUNSET 8:13 PM PDT AUGUST 6 2025........SUNRISE 6:18 AM PDT SUNSET 8:12 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$