730
CDUS46 KMTR 190045
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 PM PST WED DEC 18 2024
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2024
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 57 3:59 PM 65 1958 58 -1 64
MINIMUM 46 4:32 AM 30 1965 44 2 53
AVERAGE 52 51 1 59
PRECIPITATION (IN)
TODAY 0.00 1.77 2005 0.14 -0.14 0.80
MONTH TO DATE 2.99 2.34 0.65 1.03
SINCE OCT 1 7.04 5.17 1.87 2.45
SINCE JAN 1 21.94 17.84 4.10 22.65
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 13 14 -1 6
MONTH TO DATE 186 237 -51 165
SINCE DEC 1 186 237 -51 165
SINCE JUL 1 727 745 -18 388
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 184 201 -17 280
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 2.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 77 3:00 PM
AVERAGE 89
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 68 1999
MINIMUM TEMPERATURE (F) 44 32 1965
SUNRISE AND SUNSET
DECEMBER 18 2024......SUNRISE 7:19 AM PST SUNSET 4:54 PM PST
DECEMBER 19 2024......SUNRISE 7:20 AM PST SUNSET 4:54 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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