CDUS46 KMTR 050835 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 135 AM PDT TUE MAY 05 2026 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 4 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 64 10:42 AM 85 2021 71 -7 72 MINIMUM 46 5:41 AM 36 1999 46 0 42 2020 AVERAGE 55 58 -3 57 PRECIPITATION (IN) YESTERDAY 0.32 0.00 MONTH TO DATE 0.32 T SINCE OCT 1 16.71 15.88 SINCE JAN 1 9.28 7.90 DEGREE DAYS HEATING YESTERDAY 10 8 MONTH TO DATE 30 28 SINCE MAR 1 437 694 SINCE JUL 1 2235 2549 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE MAR 1 8 2 SINCE JAN 1 8 2 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 7.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 4:00 AM LOWEST 54 11:00 AM AVERAGE 77 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 85 2025 MINIMUM TEMPERATURE (F) 46 37 2003 2020 SUNRISE AND SUNSET MAY 5 2026...........SUNRISE 6:08 AM PDT SUNSET 8:04 PM PDT MAY 6 2026...........SUNRISE 6:07 AM PDT SUNSET 8:05 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$