579 CDUS46 KSGX 212137 CLISAN CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 136 PM PST FRI DEC 21 2018 ................................... ...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 18 2018... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1874 TO 2018 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 71 1150 AM 78 1985 64 7 70 1912 MINIMUM 58 702 AM 36 1892 48 10 49 1878 AVERAGE 65 56 9 60 PRECIPITATION (IN) YESTERDAY 0.00 1.93 1921 0.05 -0.05 0.00 MONTH TO DATE 2.60 0.80 1.80 T SINCE OCT 1 3.98 2.38 1.60 0.02 SINCE JAN 1 7.23 9.61 -2.38 7.85 DEGREE DAYS HEATING YESTERDAY 0 9 -9 5 MONTH TO DATE 65 148 -83 47 SINCE DEC 1 65 148 -83 47 SINCE JUL 1 83 293 -210 85 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 3 SINCE DEC 1 0 0 0 3 SINCE JAN 1 1261 720 541 1192 .................................................................. WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 4.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 700 AM LOWEST 49 1100 AM AVERAGE 75 .......................................................... THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 80 1954 MINIMUM TEMPERATURE (F) 48 36 1909 SUNRISE AND SUNSET DECEMBER 19 2018......SUNRISE 646 AM PST SUNSET 446 PM PST DECEMBER 20 2018......SUNRISE 646 AM PST SUNSET 446 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$