Climatological Report (Daily)
Issued by NWS
Issued by NWS
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305 CDUS46 KMTR 100829 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 129 AM PDT TUE SEP 10 2024 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 77 2:00 PM 99 2015 81 -4 83 MINIMUM 55 11:59 PM 43 2002 52 3 46 AVERAGE 66 66 0 65 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.01 SINCE OCT 1 19.88 29.52 SINCE JAN 1 13.84 21.10 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE SEP 1 0 0 SINCE JUL 1 13 8 COOLING YESTERDAY 1 0 MONTH TO DATE 31 23 SINCE SEP 1 31 23 SINCE JAN 1 332 296 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 9.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 6:00 AM LOWEST 54 2:00 PM AVERAGE 74 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 96 2017 MINIMUM TEMPERATURE (F) 52 40 2005 SUNRISE AND SUNSET SEPTEMBER 10 2024.....SUNRISE 6:47 AM PDT SUNSET 7:24 PM PDT SEPTEMBER 11 2024.....SUNRISE 6:48 AM PDT SUNSET 7:22 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$