Climatological Report (Daily)
Issued by NWS
Issued by NWS
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438 CDUS46 KMTR 150843 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 143 AM PDT SUN SEP 15 2024 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 3:06 PM 89 2004 81 -8 75 MINIMUM 50 5:37 AM 45 2018 51 -1 58 AVERAGE 62 66 -4 67 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 3 0 MONTH TO DATE 5 0 SINCE SEP 1 5 0 SINCE JUL 1 18 8 COOLING YESTERDAY 0 2 MONTH TO DATE 36 30 SINCE SEP 1 36 30 SINCE JAN 1 337 303 ................................................................... WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 10.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 3:00 AM LOWEST 57 3:00 PM AVERAGE 77 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 91 2004 MINIMUM TEMPERATURE (F) 51 39 2006 SUNRISE AND SUNSET SEPTEMBER 15 2024.....SUNRISE 6:51 AM PDT SUNSET 7:16 PM PDT SEPTEMBER 16 2024.....SUNRISE 6:52 AM PDT SUNSET 7:14 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$