National Weather Service Text Product
AFOS product CLISFO
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFO
Product Timestamp: 2016-12-22 08:58 UTC
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715
CDUS46 KMTR 220858
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1258 AM PST THU DEC 22 2016
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 2016...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2016
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 251 PM 68 1999 56 6 59
MINIMUM 45 419 AM 28 1990 44 1 51
AVERAGE 54 50 4 55
PRECIPITATION (IN)
YESTERDAY 0.00 1.73 1945 0.15 -0.15 0.92
MONTH TO DATE 3.98 2.59 1.39 2.98
SINCE OCT 1 8.30 5.92 2.38 4.40
SINCE JAN 1 20.74 19.21 1.53 8.05
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 11 15 -4 10
MONTH TO DATE 273 295 -22 262
SINCE DEC 1 273 295 -22 262
SINCE JUL 1 687 859 -172 619
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 142 164 -22 327
..................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 3.0
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 1000 PM
LOWEST 36 200 PM
AVERAGE 60
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 68 1999
MINIMUM TEMPERATURE (F) 44 27 1990
SUNRISE AND SUNSET
DECEMBER 22 2016......SUNRISE 722 AM PST SUNSET 455 PM PST
DECEMBER 23 2016......SUNRISE 722 AM PST SUNSET 456 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$