570 CDUS46 KMTR 110826 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT SUN APR 11 2021 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 10 2021... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1927 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 64 12:21 PM 91 1988 64 0 63 MINIMUM 49 9:39 PM 41 1946 49 0 53 1949 AVERAGE 57 56 1 58 PRECIPITATION (IN) YESTERDAY 0.00 1.54 1982 0.05 -0.05 0.00 MONTH TO DATE 0.00 0.56 -0.56 1.36 SINCE OCT 1 7.25 19.13 -11.88 8.87 SINCE JAN 1 5.55 11.77 -6.22 3.86 SNOWFALL (IN) YESTERDAY MM 0.0 MONTH TO DATE MM SINCE MAR 1 MM SINCE JUL 1 MM DEGREE DAYS HEATING YESTERDAY 8 9 -1 7 MONTH TO DATE 75 90 -15 105 SINCE MAR 1 384 404 -20 410 SINCE JUL 1 1763 2210 -447 1791 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 4 0 4 0 SINCE MAR 1 7 1 6 0 SINCE JAN 1 7 1 6 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 15.5 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 74 2:00 AM LOWEST 44 1:00 PM AVERAGE 59 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 84 1988 MINIMUM TEMPERATURE (F) 49 38 1953 1967 SUNRISE AND SUNSET APRIL 11 2021.........SUNRISE 6:40 AM PDT SUNSET 7:42 PM PDT APRIL 12 2021.........SUNRISE 6:38 AM PDT SUNSET 7:43 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$