


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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838 CDUS46 KMTR 040032 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 532 PM PDT FRI OCT 03 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY MAXIMUM 75 MM 105 2020 81 -6 98 MINIMUM 51 MM 38 2019 48 3 50 AVERAGE 63 64 -1 74 PRECIPITATION (IN) TODAY T 0.47 2011 0.02 -0.02 0.00 MONTH TO DATE 0.32 0.06 0.26 0.00 SINCE OCT 1 0.32 0.06 0.26 0.00 SINCE JAN 1 16.22 21.85 -5.63 25.49 DEGREE DAYS HEATING TODAY 2 0 MONTH TO DATE 4 0 SINCE SEP 1 7 11 SINCE JUL 1 24 20 COOLING TODAY 0 9 MONTH TO DATE 0 37 SINCE SEP 1 113 131 SINCE JAN 1 392 635 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 4.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 6:00 AM LOWEST 45 2:00 PM AVERAGE 71 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 97 2014 MINIMUM TEMPERATURE (F) 47 39 2017 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. $$