CDUS46 KMTR 190831 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 131 AM PDT THU MAR 19 2026 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MARCH 18 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1927 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 81R 2:36 PM 77 2004 64 17 59 MINIMUM 53 11:59 PM 37 1973 48 5 42 AVERAGE 67 56 11 51 PRECIPITATION (IN) YESTERDAY 0.00 0.72 1989 0.08 -0.08 0.00 MONTH TO DATE 0.01 1.76 -1.75 1.47 SINCE OCT 1 16.12 16.58 -0.46 15.39 SINCE JAN 1 7.27 9.61 -2.34 6.83 SNOWFALL (IN) YESTERDAY MM 0.0 MONTH TO DATE T SINCE MAR 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 0 9 -9 14 MONTH TO DATE 81 179 -98 211 SINCE MAR 1 81 179 -98 211 SINCE JUL 1 1429 1858 -429 1744 COOLING YESTERDAY 2 0 2 0 MONTH TO DATE 12 0 12 0 SINCE MAR 1 12 0 12 0 SINCE JAN 1 13 0 13 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 7.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 83 11:00 PM LOWEST 36 8:00 PM AVERAGE 60 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 78 2010 MINIMUM TEMPERATURE (F) 48 39 1955 1965 SUNRISE AND SUNSET MARCH 19 2026.........SUNRISE 7:14 AM PDT SUNSET 7:21 PM PDT MARCH 20 2026.........SUNRISE 7:13 AM PDT SUNSET 7:22 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$