National Weather Service Text Product
AFOS product CLISFO
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFO
Product Timestamp: 2016-12-18 08:45 UTC
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951
CDUS46 KMTR 180845
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1245 AM PST SUN DEC 18 2016
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 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 52 304 PM 67 1958 56 -4 55
MINIMUM 38 739 AM 30 1965 44 -6 50
AVERAGE 45 50 -5 53
PRECIPITATION (IN)
YESTERDAY 0.00 1.26 2005 0.13 -0.13 0.00
MONTH TO DATE 3.98 2.01 1.97 1.56
SINCE OCT 1 8.30 5.34 2.96 2.98
SINCE JAN 1 20.74 18.63 2.11 6.63
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 20 15 5 12
MONTH TO DATE 206 235 -29 209
SINCE DEC 1 206 235 -29 209
SINCE JUL 1 620 799 -179 566
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 3 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 5.4
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 70 500 AM
LOWEST 39 100 PM
AVERAGE 55
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 65 1958
MINIMUM TEMPERATURE (F) 44 30 1965
SUNRISE AND SUNSET
DECEMBER 18 2016......SUNRISE 719 AM PST SUNSET 453 PM PST
DECEMBER 19 2016......SUNRISE 720 AM PST SUNSET 454 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$