298 CDUS46 KMTR 040845 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 145 AM PDT MON MAY 4 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 3 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 65 247 PM 85 2013 67 -2 67 MINIMUM 52 525 AM 39 1950 51 1 55 AVERAGE 59 58 1 61 PRECIPITATION (IN) YESTERDAY 0.00 0.44 1951 0.02 -0.02 0.00 MONTH TO DATE 0.00 0.07 -0.07 0.00 SINCE OCT 1 16.31 19.93 -3.62 8.57 SINCE JAN 1 3.35 12.57 -9.22 7.31 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 6 7 -1 4 MONTH TO DATE 11 21 -10 5 SINCE MAR 1 342 583 -241 340 SINCE JUL 1 1289 2389 -1100 1885 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 9 SINCE MAR 1 13 6 7 30 SINCE JAN 1 13 6 7 30 .................................................................. WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 8.6 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 83 400 AM LOWEST 52 1200 PM AVERAGE 68 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 84 2013 2011 MINIMUM TEMPERATURE (F) 51 40 1952 1950 SUNRISE AND SUNSET MAY 4 2015...........SUNRISE 611 AM PDT SUNSET 802 PM PDT MAY 5 2015...........SUNRISE 610 AM PDT SUNSET 803 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$