923 CDUS46 KMTR 080839 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 139 AM PDT WED APR 8 2015 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 7 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 61 137 PM 89 1989 64 -3 82 MINIMUM 50 456 AM 39 1965 49 1 55 AVERAGE 56 56 0 69 PRECIPITATION (IN) YESTERDAY 0.59R 0.58 1950 0.05 0.54 0.00 MONTH TO DATE 0.70 0.41 0.29 1.20 SINCE OCT 1 15.73 18.98 -3.25 8.16 SINCE JAN 1 2.77 11.62 -8.85 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 9 9 0 0 MONTH TO DATE 60 63 -3 50 SINCE MAR 1 204 377 -173 226 SINCE JUL 1 1151 2183 -1032 1771 COOLING YESTERDAY 0 0 0 4 MONTH TO DATE 0 0 0 4 SINCE MAR 1 6 1 5 4 SINCE JAN 1 6 1 5 4 .................................................................. WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 13.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 400 AM LOWEST 49 1100 AM AVERAGE 75 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 92 1989 MINIMUM TEMPERATURE (F) 49 41 2011 1980 SUNRISE AND SUNSET APRIL 8 2015.........SUNRISE 645 AM PDT SUNSET 739 PM PDT APRIL 9 2015.........SUNRISE 643 AM PDT SUNSET 739 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$