516 CDUS46 KMTR 120827 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1227 AM PST FRI DEC 12 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 55 4:11 PM 67 1999 58 -3 59 2010 MINIMUM 36 9:47 PM 24 2013 37 -1 29 AVERAGE 46 47 -1 44 PRECIPITATION (IN) YESTERDAY 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 YESTERDAY 19 21 MONTH TO DATE 201 149 SINCE DEC 1 201 149 SINCE JUL 1 646 657 COOLING YESTERDAY 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 SE (150) HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 1.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 12:00 AM LOWEST 72 4:00 PM AVERAGE 86 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 67 2018 MINIMUM TEMPERATURE (F) 37 24 2013 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 7:20 AM PST SUNSET 4:51 PM PST DECEMBER 13 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. $$