


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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405 CDUS46 KMTR 220828 CLIOAK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT FRI AUG 22 2025 ................................... ...THE OAKLAND AIRPORT CLIMATE SUMMARY FOR AUGUST 21 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1948 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 82 12:38 PM 83 1974 73 9 74 MINIMUM 55 11:48 PM 51 2000 57 -2 61 AVERAGE 69 65 4 68 PRECIPITATION (IN) YESTERDAY 0.00 0.07 1951 0.00 0.00 0.00 MONTH TO DATE T 0.02 -0.02 T SINCE OCT 1 9.28 18.56 -9.28 16.32 SINCE JAN 1 4.52 11.82 -7.30 12.35 SNOWFALL (IN) YESTERDAY MM 0.0 1985 MONTH TO DATE T SINCE JUN 1 T SINCE JUL 1 T DEGREE DAYS HEATING YESTERDAY 0 2 -2 0 MONTH TO DATE 15 42 -27 12 SINCE JUN 1 219 193 26 87 SINCE JUL 1 84 101 -17 22 COOLING YESTERDAY 4 2 2 3 MONTH TO DATE 21 23 -2 37 SINCE JUN 1 23 72 -49 153 SINCE JAN 1 30 89 -59 161 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 7.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 3:00 AM LOWEST 44 1:00 PM AVERAGE 71 .......................................................... THE OAKLAND AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 89 1959 MINIMUM TEMPERATURE (F) 57 48 1955 SUNRISE AND SUNSET AUGUST 22 2025........SUNRISE 6:31 AM PDT SUNSET 7:52 PM PDT AUGUST 23 2025........SUNRISE 6:32 AM PDT SUNSET 7:50 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$