178 CDUS46 KMTR 060828 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT TUE MAY 06 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 5 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 81 3:08 PM 91 1987 67 14 60 MINIMUM 53 2:13 AM 41 1965 51 2 48 AVERAGE 67 59 8 54 PRECIPITATION (IN) YESTERDAY 0.00 0.24 1983 0.02 -0.02 0.00 MONTH TO DATE 0.01 0.10 -0.09 0.95 SINCE OCT 1 16.01 19.01 -3.00 20.13 SINCE JAN 1 7.45 12.04 -4.59 14.80 SNOWFALL (IN) YESTERDAY MM 0.0 MONTH TO DATE T SINCE MAR 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 0 6 -6 11 MONTH TO DATE 34 33 1 36 SINCE MAR 1 570 563 7 525 SINCE JUL 1 2103 2242 -139 1666 COOLING YESTERDAY 2 0 2 0 MONTH TO DATE 2 0 2 0 SINCE MAR 1 5 6 -1 1 SINCE JAN 1 5 6 -1 1 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (330) HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 11.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 75 11:00 PM LOWEST 20 4:00 PM AVERAGE 48 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 87 1949 MINIMUM TEMPERATURE (F) 51 41 1968 SUNRISE AND SUNSET MAY 6 2025...........SUNRISE 6:08 AM PDT SUNSET 8:05 PM PDT MAY 7 2025...........SUNRISE 6:07 AM PDT SUNSET 8:06 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$