239 CDUS46 KMTR 210845 CLIHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1245 AM PST WED DEC 21 2016 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 56 425 PM 71 1999 57 -1 54 MINIMUM 37 657 AM -1 2013 42 -5 38 AVERAGE 47 50 -3 46 PRECIPITATION (IN) YESTERDAY 0.00 0.10 MONTH TO DATE 1.94 1.57 SINCE OCT 1 5.32 3.20 SINCE JAN 1 14.43 6.61 DEGREE DAYS HEATING YESTERDAY 18 19 MONTH TO DATE 266 271 SINCE DEC 1 266 271 SINCE JUL 1 569 637 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 357 498 .................................................................. WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (70) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (40) HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION NE (40) AVERAGE WIND SPEED 3.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 70 400 AM LOWEST 44 800 PM AVERAGE 57 .......................................................... THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 73 1999 MINIMUM TEMPERATURE (F) 42 29 1998 SUNRISE AND SUNSET DECEMBER 21 2016......SUNRISE 720 AM PST SUNSET 454 PM PST DECEMBER 22 2016......SUNRISE 721 AM PST SUNSET 454 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$