091 CDUS46 KMTR 010835 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 135 AM PDT THU MAY 1 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 30 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2014 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 90R 430 PM 90 1996 66 24 70 1922 MINIMUM 60 447 AM 41 1946 50 10 50 AVERAGE 75 58 17 60 PRECIPITATION (IN) YESTERDAY 0.00 0.71 1983 0.03 -0.03 0.00 MONTH TO DATE 1.61 1.29 0.32 0.47 SINCE JUL 1 8.80 20.07 -11.27 12.83 SINCE JAN 1 7.31 12.50 -5.19 1.83 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.0 SINCE MAR 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 0 7 -7 5 MONTH TO DATE 143 247 -104 192 SINCE MAR 1 319 562 -243 507 SINCE JUL 1 1864 2368 -504 2391 COOLING YESTERDAY 10 0 10 0 MONTH TO DATE 21 5 16 4 SINCE MAR 1 21 6 15 4 SINCE JAN 1 21 6 15 4 .................................................................. WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 4.4 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 72 100 AM LOWEST 19 500 PM AVERAGE 46 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 89 1947 MINIMUM TEMPERATURE (F) 50 44 2008 1988 SUNRISE AND SUNSET MAY 1 2014...........SUNRISE 614 AM PDT SUNSET 800 PM PDT MAY 2 2014...........SUNRISE 613 AM PDT SUNSET 801 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$