CDUS46 KMTR 120039 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 439 PM PST THU DEC 11 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2025... VALID TODAY AS OF 0400 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 55 3:59 PM 67 1999 58 -3 59 2010 MINIMUM 39 8:37 AM 24 2013 37 2 29 AVERAGE 47 47 0 44 PRECIPITATION (IN) TODAY 0.00 4.66 2014 0.22 -0.22 0.40 MONTH TO DATE 0.00 2.23 -2.23 0.41 SINCE OCT 1 6.84 7.46 -0.62 16.32 SINCE JAN 1 22.74 29.25 -6.51 41.81 DEGREE DAYS HEATING TODAY 18 21 MONTH TO DATE 200 149 SINCE DEC 1 200 149 SINCE JUL 1 645 657 COOLING TODAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 401 705 ................................................................... WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (110) HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 1.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 12:00 AM LOWEST 74 3:00 PM AVERAGE 87 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 67 2018 MINIMUM TEMPERATURE (F) 37 24 2013 SUNRISE AND SUNSET DECEMBER 11 2025......SUNRISE 7:19 AM PST SUNSET 4:51 PM PST DECEMBER 12 2025......SUNRISE 7:20 AM PST SUNSET 4:51 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$