


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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215 CDUS46 KMTR 250027 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 527 PM PDT SUN AUG 24 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 24 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 81 3:39 PM 107 2010 85 -4 77 MINIMUM 55 7:24 AM 47 2006 52 3 56 2012 AVERAGE 68 68 0 67 PRECIPITATION (IN) TODAY 0.00 T 2016 0.00 0.00 0.08 2017 2020 MONTH TO DATE T 0.03 -0.03 0.08 SINCE OCT 1 41.12 33.63 7.49 37.05 SINCE JAN 1 15.53 21.64 -6.11 25.49 DEGREE DAYS HEATING TODAY 0 0 MONTH TO DATE 0 4 SINCE JUN 1 61 17 SINCE JUL 1 17 9 COOLING TODAY 3 2 MONTH TO DATE 126 112 SINCE JUN 1 209 442 SINCE JAN 1 246 471 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (150) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 4.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 12:00 AM LOWEST 41 4:00 PM AVERAGE 69 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 101 1999 MINIMUM TEMPERATURE (F) 52 47 2017 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. $$