485
CDUS46 KMTR 130831
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1230 AM PST FRI DEC 13 2019
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 2019
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2019
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 65 1142 AM 75 1958 57 8 62
MINIMUM 56 1159 PM 29 1972 45 11 47
AVERAGE 61 51 10 55
PRECIPITATION (IN)
YESTERDAY 0.00 1.16 2006 0.12 -0.12 0.00
MONTH TO DATE 2.18 1.37 0.81 0.51
SINCE OCT 1 3.47 4.70 -1.23 3.74
SINCE JAN 1 21.96 17.99 3.97 14.55
SNOWFALL (IN)
YESTERDAY 0.0 0.0
MONTH TO DATE 0.0
SINCE DEC 1 0.0
SINCE JUL 1 0.0
DEGREE DAYS
HEATING
YESTERDAY 4 14 -10 10
MONTH TO DATE 97 162 -65 155
SINCE DEC 1 97 162 -65 155
SINCE JUL 1 466 726 -260 682
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 384 164 220 65
..............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 84 1200 AM
AVERAGE 89
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 69 1958
MINIMUM TEMPERATURE (F) 45 30 1972
1945
SUNRISE AND SUNSET
DECEMBER 13 2019......SUNRISE 716 AM PST SUNSET 452 PM PST
DECEMBER 14 2019......SUNRISE 716 AM PST SUNSET 452 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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