Climatological Report (Daily)
Issued by NWS
Issued by NWS
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246 CDUS46 KMTR 170827 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT TUE SEP 17 2024 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 2:06 PM 85 2004 80 -8 78 MINIMUM 54 1:26 AM 38 2006 51 3 60 AVERAGE 63 66 -3 69 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 2 0 MONTH TO DATE 8 0 SINCE SEP 1 8 0 SINCE JUL 1 21 8 COOLING YESTERDAY 0 4 MONTH TO DATE 36 37 SINCE SEP 1 36 37 SINCE JAN 1 337 310 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 7.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 12:00 AM LOWEST 53 1:00 PM AVERAGE 72 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 94 2000 MINIMUM TEMPERATURE (F) 51 42 2006 SUNRISE AND SUNSET SEPTEMBER 17 2024.....SUNRISE 6:53 AM PDT SUNSET 7:13 PM PDT SEPTEMBER 18 2024.....SUNRISE 6:54 AM PDT SUNSET 7:11 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$