


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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585 CDUS46 KMTR 090034 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 534 PM PDT FRI AUG 08 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 8 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 94 3:12 PM 98 2002 84 10 80 MINIMUM 53 6:03 AM 46 2012 52 1 53 2016 AVERAGE 74 68 6 67 PRECIPITATION (IN) TODAY 0.00 0.01 2013 0.00 0.00 0.00 MONTH TO DATE T 0.01 -0.01 0.00 SINCE OCT 1 41.12 33.61 7.51 36.97 SINCE JAN 1 15.53 21.62 -6.09 25.41 DEGREE DAYS HEATING TODAY 0 0 MONTH TO DATE 0 0 SINCE JUN 1 61 13 SINCE JUL 1 17 5 COOLING TODAY 9 2 MONTH TO DATE 44 51 SINCE JUN 1 127 381 SINCE JAN 1 164 410 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 4.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 4:00 AM LOWEST 30 3:00 PM AVERAGE 62 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 101 2002 MINIMUM TEMPERATURE (F) 52 47 2012 SUNRISE AND SUNSET AUGUST 8 2025........SUNRISE 6:20 AM PDT SUNSET 8:13 PM PDT AUGUST 9 2025........SUNRISE 6:21 AM PDT SUNSET 8:12 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$