327 CDUS46 KMTR 190834 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 134 AM PDT SUN OCT 19 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 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 81 3:41 PM 93 2023 77 4 83 MINIMUM 45 6:53 AM 35 1999 45 0 40 AVERAGE 63 61 2 62 PRECIPITATION (IN) YESTERDAY 0.00 0.08 2007 0.06 -0.06 0.00 MONTH TO DATE 1.64 0.67 0.97 0.22 SINCE OCT 1 1.64 0.67 0.97 0.22 SINCE JAN 1 17.54 22.46 -4.92 25.71 DEGREE DAYS HEATING YESTERDAY 2 3 MONTH TO DATE 71 15 SINCE SEP 1 74 26 SINCE JUL 1 91 35 COOLING YESTERDAY 0 0 MONTH TO DATE 9 104 SINCE SEP 1 122 198 SINCE JAN 1 401 702 ................................................................... WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (170) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 2.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 4:00 AM LOWEST 38 3:00 PM AVERAGE 69 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 96 2023 MINIMUM TEMPERATURE (F) 45 37 2013 SUNRISE AND SUNSET OCTOBER 19 2025.......SUNRISE 7:25 AM PDT SUNSET 6:27 PM PDT OCTOBER 20 2025.......SUNRISE 7:26 AM PDT SUNSET 6:26 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$