CDUS46 KMTR 160835 CLIHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1235 AM PST TUE DEC 16 2025 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 53 2:49 PM 68 1998 59 -6 57 MINIMUM 40 7:46 AM 35 2013 43 -3 42 2015 AVERAGE 47 51 -4 50 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 2.22 SINCE OCT 1 5.23 4.55 SINCE JAN 1 12.78 21.55 DEGREE DAYS HEATING YESTERDAY 18 15 MONTH TO DATE 241 140 SINCE DEC 1 241 140 SINCE JUL 1 569 423 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 295 713 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 3.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 9:00 AM LOWEST 71 11:00 AM AVERAGE 82 .......................................................... THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 59 70 1998 MINIMUM TEMPERATURE (F) 43 35 2011 SUNRISE AND SUNSET DECEMBER 16 2025......SUNRISE 7:17 AM PST SUNSET 4:51 PM PST DECEMBER 17 2025......SUNRISE 7:18 AM PST SUNSET 4:52 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$