National Weather Service Text Product
AFOS product CLISFO
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFO
Product Timestamp: 2007-12-22 08:27 UTC
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000
CDUS46 KMTR 220828
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO
1227 AM PST SAT DEC 22 2007
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 57 337 PM 68 1999 55 2 55
MINIMUM 38 514 AM 28 1990 42 -4 44
AVERAGE 48 49 -1 50
PRECIPITATION (IN)
YESTERDAY 0.00 1.73 1945 0.09 -0.09 0.44
MONTH TO DATE 2.29 1.83 0.46 2.84
SINCE JUL 1 5.00 5.66 -0.66 4.81
SINCE JAN 1 11.29 19.05 -7.76 20.07
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE DEC 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 16 1 15
MONTH TO DATE 298 316 -18 290
SINCE DEC 1 298 316 -18 290
SINCE JUL 1 858 940 -82 901
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 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.6
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 79 400 AM
LOWEST 42 1100 AM
AVERAGE 61
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 68 1999
MINIMUM TEMPERATURE (F) 42 27 1990
SUNRISE AND SUNSET
DECEMBER 22 2007......SUNRISE 721 AM PST SUNSET 455 PM PST
DECEMBER 23 2007......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.
$$