


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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819 CDUS46 KMTR 050028 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 528 PM PDT THU SEP 04 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 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 78 2:43 PM 103 2022 85 -7 91 MINIMUM 54 7:35 AM 42 2016 51 3 52 AVERAGE 66 68 -2 72 PRECIPITATION (IN) TODAY T R T 2014 0.00 0.00 0.00 2014 2017 MONTH TO DATE T 0.00 0.00 0.00 SINCE OCT 1 41.12 33.65 7.47 37.05 SINCE JAN 1 15.53 21.66 -6.13 25.49 DEGREE DAYS HEATING TODAY 0 0 MONTH TO DATE 0 0 SINCE SEP 1 0 0 SINCE JUL 1 17 9 COOLING TODAY 1 7 MONTH TO DATE 21 18 SINCE SEP 1 21 18 SINCE JAN 1 300 522 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140) AVERAGE WIND SPEED 5.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 6:00 AM LOWEST 50 3:00 PM AVERAGE 75 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 112 2022 MINIMUM TEMPERATURE (F) 51 43 2010 SUNRISE AND SUNSET SEPTEMBER 4 2025.....SUNRISE 6:44 AM PDT SUNSET 7:36 PM PDT SEPTEMBER 5 2025.....SUNRISE 6:44 AM PDT SUNSET 7:34 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$