


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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336 CDUS46 KMTR 240834 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 134 AM PDT SUN AUG 24 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 23 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 85 2:05 PM 99 2010 85 0 72 MINIMUM 52 12:51 AM 48 1998 52 0 49 AVERAGE 69 68 1 61 PRECIPITATION (IN) YESTERDAY 0.00 T 2020 0.01 -0.01 0.00 MONTH TO DATE T 0.03 -0.03 T SINCE OCT 1 41.12 33.63 7.49 36.97 SINCE JAN 1 15.53 21.64 -6.11 25.41 DEGREE DAYS HEATING YESTERDAY 0 4 MONTH TO DATE 0 4 SINCE JUN 1 61 17 SINCE JUL 1 17 9 COOLING YESTERDAY 4 0 MONTH TO DATE 123 110 SINCE JUN 1 206 440 SINCE JAN 1 243 469 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (160) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150) AVERAGE WIND SPEED 6.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 12:00 AM LOWEST 35 2:00 PM AVERAGE 66 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 107 2010 MINIMUM TEMPERATURE (F) 52 47 2006 2012 SUNRISE AND SUNSET AUGUST 24 2025........SUNRISE 6:34 AM PDT SUNSET 7:52 PM PDT AUGUST 25 2025........SUNRISE 6:35 AM PDT SUNSET 7:51 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$