Climatological Report (Daily)
Issued by NWS
Issued by NWS
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357 CDUS46 KMTR 180827 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 127 AM PDT SAT MAY 18 2024 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 17 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 68 2:56 PM 95 2009 73 -5 73 MINIMUM 51 5:07 AM 41 1999 48 3 52 2018 AVERAGE 60 61 -1 63 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.69 0.70 SINCE OCT 1 19.88 29.49 SINCE JAN 1 13.84 21.07 DEGREE DAYS HEATING YESTERDAY 5 2 MONTH TO DATE 101 112 SINCE MAR 1 732 796 SINCE JUL 1 2380 2826 COOLING YESTERDAY 0 0 MONTH TO DATE 5 6 SINCE MAR 1 5 9 SINCE JAN 1 5 9 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 10.8 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 93 10:00 PM LOWEST 65 3:00 PM AVERAGE 79 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 91 2022 MINIMUM TEMPERATURE (F) 48 39 2013 SUNRISE AND SUNSET MAY 18 2024...........SUNRISE 5:55 AM PDT SUNSET 8:16 PM PDT MAY 19 2024...........SUNRISE 5:55 AM PDT SUNSET 8:17 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$