


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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185 CDUS46 KMTR 240826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT SAT MAY 24 2025 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 23 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 71 2:12 PM 91 2000 74 -3 73 MINIMUM 45 5:23 AM 31 2010 49 -4 44 AVERAGE 58 62 -4 59 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.20 0.69 SINCE OCT 1 16.08 19.88 SINCE JAN 1 8.10 13.84 DEGREE DAYS HEATING YESTERDAY 7 6 MONTH TO DATE 107 130 SINCE MAR 1 773 761 SINCE JUL 1 2628 2409 COOLING YESTERDAY 0 0 MONTH TO DATE 7 5 SINCE MAR 1 9 5 SINCE JAN 1 9 5 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 10.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 6:00 AM LOWEST 51 2:00 PM AVERAGE 74 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 93 2022 MINIMUM TEMPERATURE (F) 49 38 2011 2013 SUNRISE AND SUNSET MAY 24 2025...........SUNRISE 5:51 AM PDT SUNSET 8:21 PM PDT MAY 25 2025...........SUNRISE 5:51 AM PDT SUNSET 8:22 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$