CDUS46 KMTR 050838 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1237 AM PST THU DEC 5 2019 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2019 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 56 1159 PM 75 1958 58 -2 55 MINIMUM 53 733 AM 36 2004 46 7 49 AVERAGE 55 52 3 52 PRECIPITATION (IN) YESTERDAY 0.30 1.56 1945 0.11 0.19 0.08 MONTH TO DATE 0.84 0.43 0.41 0.17 SINCE OCT 1 2.13 3.76 -1.63 3.40 SINCE JAN 1 20.62 17.05 3.57 14.21 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.0 SINCE DEC 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 10 13 -3 13 MONTH TO DATE 36 52 -16 53 SINCE DEC 1 36 52 -16 53 SINCE JUL 1 405 616 -211 580 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 384 164 220 65 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (40) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (40) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 4.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 300 AM LOWEST 83 800 AM AVERAGE 88 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 69 1979 MINIMUM TEMPERATURE (F) 46 31 1972 SUNRISE AND SUNSET DECEMBER 5 2019......SUNRISE 709 AM PST SUNSET 451 PM PST DECEMBER 6 2019......SUNRISE 710 AM PST SUNSET 451 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$