National Weather Service Text Product
AFOS product CLISFO
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISFO
Product Timestamp: 2007-12-18 08:28 UTC
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000
CDUS46 KMTR 180829
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE IN SAN FRANCISCO
1228 AM PST TUE DEC 18 2007
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 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 56 1132 AM 67 1958 56 0 52
MINIMUM 49 740 AM 30 1965 43 6 39
AVERAGE 53 49 4 46
PRECIPITATION (IN)
YESTERDAY 0.27 1.26 2005 0.09 0.18 0.00
MONTH TO DATE 0.83 1.47 -0.64 2.40
SINCE JUL 1 3.54 5.30 -1.76 4.37
SINCE JAN 1 9.83 18.69 -8.86 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 19
MONTH TO DATE 241 252 -11 211
SINCE DEC 1 241 252 -11 211
SINCE JUL 1 801 876 -75 822
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 20 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 64 700 PM
AVERAGE 79
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 65 1958
MINIMUM TEMPERATURE (F) 43 30 1965
SUNRISE AND SUNSET
DECEMBER 18 2007......SUNRISE 719 AM PST SUNSET 453 PM PST
DECEMBER 19 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.
$$