000 CDUS46 KMTR 220828 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE IN SAN FRANCISCO 1227 AM PST SAT DEC 22 2007 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 2007... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1927 TO 2007 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 57 337 PM 68 1999 55 2 55 MINIMUM 38 514 AM 28 1990 42 -4 44 AVERAGE 48 49 -1 50 PRECIPITATION (IN) YESTERDAY 0.00 1.73 1945 0.09 -0.09 0.44 MONTH TO DATE 2.29 1.83 0.46 2.84 SINCE JUL 1 5.00 5.66 -0.66 4.81 SINCE JAN 1 11.29 19.05 -7.76 20.07 SNOWFALL (IN) YESTERDAY 0.0 MONTH TO DATE 0.0 SINCE DEC 1 0.0 SINCE JUL 1 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 17 16 1 15 MONTH TO DATE 298 316 -18 290 SINCE DEC 1 298 316 -18 290 SINCE JUL 1 858 940 -82 901 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 126 142 -16 153 .................................................................. WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 4.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 79 400 AM LOWEST 42 1100 AM AVERAGE 61 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 68 1999 MINIMUM TEMPERATURE (F) 42 27 1990 SUNRISE AND SUNSET DECEMBER 22 2007......SUNRISE 721 AM PST SUNSET 455 PM PST DECEMBER 23 2007......SUNRISE 722 AM PST SUNSET 456 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$