


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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195 CDUS46 KMTR 220826 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT TUE APR 22 2025 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 21 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 70 2:45 PM 86 2009 66 4 72 MINIMUM 48 2:48 AM 39 1968 49 -1 53 AVERAGE 59 58 1 63 PRECIPITATION (IN) YESTERDAY 0.00 0.83 1961 0.03 -0.03 0.00 MONTH TO DATE 0.33 1.12 -0.79 0.77 SINCE OCT 1 15.96 18.67 -2.71 19.18 SINCE JAN 1 7.40 11.70 -4.30 13.85 SNOWFALL (IN) YESTERDAY MM 0.0 MONTH TO DATE T SINCE MAR 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 6 8 -2 2 MONTH TO DATE 157 171 -14 156 SINCE MAR 1 473 467 6 433 SINCE JUL 1 2006 2146 -140 1574 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 7 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 9.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 3:00 AM LOWEST 53 2:00 PM AVERAGE 73 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 83 2013 MINIMUM TEMPERATURE (F) 50 42 1951 1961 1963 SUNRISE AND SUNSET APRIL 22 2025.........SUNRISE 6:25 AM PDT SUNSET 7:52 PM PDT APRIL 23 2025.........SUNRISE 6:23 AM PDT SUNSET 7:53 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$