000 CDUS46 KMTR 170839 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE IN SAN FRANCISCO 1239 AM PST MON DEC 17 2007 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 56 328 PM 70 1998 56 0 51 MINIMUM 42 643 AM 33 1965 43 -1 39 AVERAGE 49 49 0 45 PRECIPITATION (IN) YESTERDAY 0.01 2.10 2002 0.09 -0.08 0.00 MONTH TO DATE 0.56 1.38 -0.82 2.40 SINCE JUL 1 3.27 5.21 -1.94 4.37 SINCE JAN 1 9.56 18.60 -9.04 19.63 SNOWFALL (IN) YESTERDAY MM MONTH TO DATE 0.0 SINCE DEC 1 0.0 SINCE JUL 1 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 16 16 0 20 MONTH TO DATE 229 236 -7 192 SINCE DEC 1 229 236 -7 192 SINCE JUL 1 789 860 -71 803 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 22 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 7.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1200 AM LOWEST 51 100 PM AVERAGE 72 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 67 1958 MINIMUM TEMPERATURE (F) 43 30 1965 SUNRISE AND SUNSET DECEMBER 17 2007......SUNRISE 718 AM PST SUNSET 453 PM PST DECEMBER 18 2007......SUNRISE 719 AM PST SUNSET 453 PM PST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$