904 CDUS46 KMTR 120837 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 137 AM PDT SAT APR 12 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 11 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 64 12:57 PM 84 1988 65 -1 71 MINIMUM 51 11:59 PM 38 1953 49 2 51 1967 AVERAGE 58 57 1 61 PRECIPITATION (IN) YESTERDAY 0.00 0.92 2010 0.05 -0.05 0.00 MONTH TO DATE 0.33 0.68 -0.35 0.50 SINCE OCT 1 15.96 18.23 -2.27 18.91 SINCE JAN 1 7.40 11.26 -3.86 13.58 SNOWFALL (IN) YESTERDAY MM 0.0 MONTH TO DATE T SINCE MAR 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 7 8 -1 4 MONTH TO DATE 86 91 -5 94 SINCE MAR 1 402 387 15 371 SINCE JUL 1 1935 2066 -131 1512 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 3 1 2 1 SINCE JAN 1 3 1 2 1 ................................................................... WIND (MPH) RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 19.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 2:00 AM LOWEST 62 4:00 PM AVERAGE 78 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 88 1947 MINIMUM TEMPERATURE (F) 49 39 1956 1983 SUNRISE AND SUNSET APRIL 12 2025.........SUNRISE 6:38 AM PDT SUNSET 7:43 PM PDT APRIL 13 2025.........SUNRISE 6:37 AM PDT SUNSET 7:44 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$