


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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689 CDUS46 KMTR 200045 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 545 PM PDT SAT APR 19 2025 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 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 64 3:01 PM 87 2009 69 -5 66 MINIMUM 42 1:28 AM 33 2007 44 -2 49 AVERAGE 53 56 -3 58 PRECIPITATION (IN) TODAY 0.00 0.00 MONTH TO DATE 0.23 0.96 SINCE OCT 1 15.85 19.19 SINCE JAN 1 7.87 13.15 DEGREE DAYS HEATING TODAY 12 7 MONTH TO DATE 172 187 SINCE MAR 1 573 558 SINCE JUL 1 2428 2206 COOLING TODAY 0 0 MONTH TO DATE 0 0 SINCE MAR 1 2 0 SINCE JAN 1 2 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 6.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 2:00 AM LOWEST 72 4:00 PM AVERAGE 86 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 90 2009 MINIMUM TEMPERATURE (F) 44 33 2008 SUNRISE AND SUNSET APRIL 19 2025.........SUNRISE 6:27 AM PDT SUNSET 7:50 PM PDT APRIL 20 2025.........SUNRISE 6:26 AM PDT SUNSET 7:50 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$