


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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438 CDUS46 KMTR 120833 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 133 AM PDT SAT JUL 12 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 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 91 1:54 PM 102 1999 84 7 102 2024 MINIMUM 52 4:48 AM 47 2004 52 0 55 AVERAGE 72 68 4 79 PRECIPITATION (IN) YESTERDAY 0.00 0.03 2007 0.00 0.00 0.00 MONTH TO DATE 0.00 0.01 -0.01 0.00 SINCE OCT 1 41.11 33.60 7.51 36.97 SINCE JAN 1 15.52 21.61 -6.09 25.41 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 5 0 SINCE JUN 1 49 8 SINCE JUL 1 5 0 COOLING YESTERDAY 7 14 MONTH TO DATE 21 114 SINCE JUN 1 61 225 SINCE JAN 1 98 254 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160) AVERAGE WIND SPEED 5.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 96 5:00 AM LOWEST 31 2:00 PM AVERAGE 64 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 102 1999 MINIMUM TEMPERATURE (F) 52 45 2006 SUNRISE AND SUNSET JULY 12 2025..........SUNRISE 5:58 AM PDT SUNSET 8:36 PM PDT JULY 13 2025..........SUNRISE 5:58 AM PDT SUNSET 8:36 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$