Climatological Report (Daily)
Issued by NWS
Issued by NWS
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597 CDUS46 KMTR 200836 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 136 AM PDT FRI SEP 20 2024 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 72 2:12 PM 97 2002 80 -8 75 MINIMUM 53 11:07 PM 41 2008 51 2 53 AVERAGE 63 65 -2 64 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 1 MONTH TO DATE 15 1 SINCE SEP 1 15 1 SINCE JUL 1 28 9 COOLING YESTERDAY 0 0 MONTH TO DATE 36 45 SINCE SEP 1 36 45 SINCE JAN 1 337 318 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 7.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 4:00 AM LOWEST 61 3:00 PM AVERAGE 79 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 97 2011 MINIMUM TEMPERATURE (F) 50 38 2004 SUNRISE AND SUNSET SEPTEMBER 20 2024.....SUNRISE 6:56 AM PDT SUNSET 7:08 PM PDT SEPTEMBER 21 2024.....SUNRISE 6:57 AM PDT SUNSET 7:07 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$