


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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514 CDUS46 KMTR 030827 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT FRI OCT 03 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 71 3:54 PM 104 2024 81 -10 104 MINIMUM 56 6:34 AM 38 2019 48 8 56 AVERAGE 64 64 0 80 PRECIPITATION (IN) YESTERDAY 0.01 0.98 2018 0.02 -0.01 0.00 MONTH TO DATE 0.32 0.04 0.28 0.00 SINCE OCT 1 0.32 0.04 0.28 0.00 SINCE JAN 1 16.22 21.83 -5.61 25.49 DEGREE DAYS HEATING YESTERDAY 1 0 MONTH TO DATE 2 0 SINCE SEP 1 5 11 SINCE JUL 1 22 20 COOLING YESTERDAY 0 15 MONTH TO DATE 0 28 SINCE SEP 1 113 122 SINCE JAN 1 392 626 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 4.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1:00 AM LOWEST 61 4:00 PM AVERAGE 81 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 105 2020 MINIMUM TEMPERATURE (F) 48 38 2019 SUNRISE AND SUNSET OCTOBER 3 2025.......SUNRISE 7:09 AM PDT SUNSET 6:50 PM PDT OCTOBER 4 2025.......SUNRISE 7:10 AM PDT SUNSET 6:49 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$