


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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870 CDUS46 KMTR 160827 CLICCR CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT THU OCT 16 2025 ................................... ...THE CONCORD AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1999 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 64 2:34 PM 93 2020 79 -15 84 MINIMUM 51 11:59 PM 45 2013 53 -2 59 2019 AVERAGE 58 66 -8 72 PRECIPITATION (IN) YESTERDAY T 0.00 MONTH TO DATE 0.46 0.00 SINCE OCT 1 0.46 0.00 SINCE JAN 1 2.53 9.33 DEGREE DAYS HEATING YESTERDAY 7 0 MONTH TO DATE 31 0 SINCE SEP 1 31 1 SINCE JUL 1 31 4 COOLING YESTERDAY 0 7 MONTH TO DATE 27 175 SINCE SEP 1 276 398 SINCE JAN 1 1027 1446 ................................................................... WIND (MPH) RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 2.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 12:00 AM LOWEST 63 3:00 PM AVERAGE 80 .......................................................... THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 95 2020 MINIMUM TEMPERATURE (F) 53 47 2013 2019 SUNRISE AND SUNSET OCTOBER 16 2025.......SUNRISE 7:18 AM PDT SUNSET 6:29 PM PDT OCTOBER 17 2025.......SUNRISE 7:19 AM PDT SUNSET 6:27 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$