783 CDUS46 KMTR 180832 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 132 AM PDT SAT APR 18 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 70 152 PM 82 1954 65 5 64 MINIMUM 51 1159 PM 40 1963 49 2 53 AVERAGE 61 57 4 59 PRECIPITATION (IN) YESTERDAY 0.00 0.80 1957 0.04 -0.04 0.00 MONTH TO DATE 0.87 0.86 0.01 1.20 SINCE OCT 1 15.90 19.43 -3.53 8.16 SINCE JAN 1 2.94 12.07 -9.13 6.90 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 4 8 -4 6 MONTH TO DATE 107 149 -42 95 SINCE MAR 1 251 463 -212 271 SINCE JUL 1 1198 2269 -1071 1816 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 1 0 1 6 SINCE MAR 1 7 1 6 6 SINCE JAN 1 7 1 6 6 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 11.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 100 800 PM LOWEST 42 1200 AM AVERAGE 71 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 83 1950 MINIMUM TEMPERATURE (F) 49 39 1968 1967 SUNRISE AND SUNSET APRIL 18 2015.........SUNRISE 631 AM PDT SUNSET 748 PM PDT APRIL 19 2015.........SUNRISE 629 AM PDT SUNSET 749 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$