689 CDUS46 KMTR 230827 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT WED JUL 23 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 22 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 69 1:20 PM 97 2006 73 -4 75 MINIMUM 58 1:45 AM 49 1954 56 2 54 1968 1981 AVERAGE 64 64 0 65 PRECIPITATION (IN) YESTERDAY T R T 1986 0.00 0.00 0.00 1990 2014 MONTH TO DATE T 0.00 0.00 0.00 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 1 2 -1 0 MONTH TO DATE 60 44 16 27 SINCE JUN 1 203 141 62 140 SINCE JUL 1 60 44 16 27 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 22 -22 34 SINCE JUN 1 1 45 -44 40 SINCE JAN 1 7 65 -58 51 ................................................................... WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 10.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 7:00 AM LOWEST 63 1:00 PM AVERAGE 77 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 89 2005 MINIMUM TEMPERATURE (F) 56 50 1962 1981 SUNRISE AND SUNSET JULY 23 2025..........SUNRISE 6:06 AM PDT SUNSET 8:25 PM PDT JULY 24 2025..........SUNRISE 6:07 AM PDT SUNSET 8:24 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$