National Weather Service Text Product
AFOS product CLISFO
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFO
Product Timestamp: 2007-12-19 08:26 UTC
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000
CDUS46 KMTR 190827
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO
1226 AM PST WED DEC 19 2007
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2007...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1927 TO 2007
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 57 1243 PM 65 1958 56 1 55
MINIMUM 48 1159 PM 30 1965 43 5 35
AVERAGE 53 49 4 45
PRECIPITATION (IN)
YESTERDAY 0.78 1.77 2005 0.09 0.69 0.00
MONTH TO DATE 1.61 1.56 0.05 2.40
SINCE JUL 1 4.32 5.39 -1.07 4.37
SINCE JAN 1 10.61 18.78 -8.17 19.63
SNOWFALL (IN)
YESTERDAY MM
MONTH TO DATE 0.0
SINCE DEC 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 12 16 -4 20
MONTH TO DATE 253 268 -15 231
SINCE DEC 1 253 268 -15 231
SINCE JUL 1 813 892 -79 842
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 126 142 -16 153
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 11.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 77 1200 AM
AVERAGE 85
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 68 1999
MINIMUM TEMPERATURE (F) 43 32 1965
SUNRISE AND SUNSET
DECEMBER 19 2007......SUNRISE 720 AM PST SUNSET 454 PM PST
DECEMBER 20 2007......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.
$$