


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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884 CDUS46 KMTR 200025 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 525 PM PDT TUE AUG 19 2025 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 88 3:16 PM 97 2020 84 4 88 MINIMUM 46R 5:06 AM 47 2012 52 -6 48 AVERAGE 67 68 -1 68 PRECIPITATION (IN) TODAY 0.00 T 2012 0.00 0.00 0.00 2023 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 2 3 MONTH TO DATE 93 101 SINCE JUN 1 176 431 SINCE JAN 1 213 460 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 3.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 3:00 AM LOWEST 19 4:00 PM AVERAGE 54 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 95 2022 MINIMUM TEMPERATURE (F) 52 47 2000 SUNRISE AND SUNSET AUGUST 19 2025........SUNRISE 6:30 AM PDT SUNSET 7:59 PM PDT AUGUST 20 2025........SUNRISE 6:30 AM PDT SUNSET 7:58 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$