701 CDUS46 KMTR 260838 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1237 AM PST SAT DEC 26 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 25 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 51 439 PM 68 1967 56 -5 58 MINIMUM 40 417 AM 31 1990 44 -4 46 1962 AVERAGE 46 50 -4 52 PRECIPITATION (IN) YESTERDAY 0.00 1.23 1968 0.15 -0.15 0.00 MONTH TO DATE 3.24 3.19 0.05 10.66 SINCE OCT 1 4.66 6.52 -1.86 12.96 SINCE JAN 1 8.31 19.81 -11.50 20.69 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 19 15 4 13 MONTH TO DATE 320 355 -35 159 SINCE DEC 1 320 355 -35 159 SINCE JUL 1 677 919 -242 347 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 327 164 163 497 .................................................................. WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 6.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 79 400 AM LOWEST 54 400 PM AVERAGE 67 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 72 1967 MINIMUM TEMPERATURE (F) 44 32 1954 SUNRISE AND SUNSET DECEMBER 26 2015......SUNRISE 723 AM PST SUNSET 457 PM PST DECEMBER 27 2015......SUNRISE 723 AM PST SUNSET 458 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$