Climatological Report (Daily)
Issued by NWS
Issued by NWS
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536 CDUS46 KMTR 220834 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 134 AM PDT SUN SEP 22 2024 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 73 1:55 PM 102 2003 80 -7 74 MINIMUM 52 11:59 PM 41 2012 50 2 50 2017 AVERAGE 63 65 -2 62 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE T 0.01 SINCE OCT 1 19.88 29.52 SINCE JAN 1 13.84 21.10 DEGREE DAYS HEATING YESTERDAY 2 3 MONTH TO DATE 20 4 SINCE SEP 1 20 4 SINCE JUL 1 33 12 COOLING YESTERDAY 0 0 MONTH TO DATE 36 46 SINCE SEP 1 36 46 SINCE JAN 1 337 319 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 6.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 2:00 AM LOWEST 57 1:00 PM AVERAGE 77 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 99 2003 MINIMUM TEMPERATURE (F) 50 39 2017 SUNRISE AND SUNSET SEPTEMBER 22 2024.....SUNRISE 6:57 AM PDT SUNSET 7:05 PM PDT SEPTEMBER 23 2024.....SUNRISE 6:58 AM PDT SUNSET 7:03 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$