


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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488 CDUS46 KMTR 280047 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 547 PM PDT THU MAR 27 2025 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 27 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 62 10:15 AM 80 2009 65 -3 57 MINIMUM 54 12:31 PM 30 2020 42 12 44 AVERAGE 58 54 4 51 PRECIPITATION (IN) TODAY 0.10 0.40 MONTH TO DATE 1.42 2.07 SINCE OCT 1 15.37 17.74 SINCE JAN 1 7.39 11.70 DEGREE DAYS HEATING TODAY 7 14 MONTH TO DATE 352 319 SINCE MAR 1 352 319 SINCE JUL 1 2207 1967 COOLING TODAY 0 0 MONTH TO DATE 2 0 SINCE MAR 1 2 0 SINCE JAN 1 2 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 14.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 12:00 AM LOWEST 70 3:00 PM AVERAGE 82 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 78 2017 MINIMUM TEMPERATURE (F) 42 32 1999 SUNRISE AND SUNSET MARCH 27 2025.........SUNRISE 7:01 AM PDT SUNSET 7:28 PM PDT MARCH 28 2025.........SUNRISE 7:00 AM PDT SUNSET 7:29 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$