869 CDUS46 KMTR 220858 CLISTS CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1258 AM PST THU DEC 22 2016 ................................... ...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 63 339 PM 77 1999 56 7 59 MINIMUM 35 1159 PM 21 1998 36 -1 48 AVERAGE 49 46 3 54 PRECIPITATION (IN) YESTERDAY 0.00 2.55 2012 0.27 -0.27 1.16 MONTH TO DATE 5.90 4.35 1.55 6.62 SINCE OCT 1 17.57 11.07 6.50 8.19 SINCE JAN 1 41.13 33.60 7.53 14.65 DEGREE DAYS HEATING YESTERDAY 16 11 MONTH TO DATE 370 325 SINCE DEC 1 370 325 SINCE JUL 1 863 770 COOLING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE DEC 1 0 0 SINCE JAN 1 356 596 .................................................................. WIND (MPH) RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 2.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 500 AM LOWEST 48 300 PM AVERAGE 74 .......................................................... THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 70 2014 1999 MINIMUM TEMPERATURE (F) 36 21 1998 SUNRISE AND SUNSET DECEMBER 22 2016......SUNRISE 726 AM PST SUNSET 455 PM PST DECEMBER 23 2016......SUNRISE 726 AM PST SUNSET 455 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$