575
CDUS46 KMTR 170841
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1241 AM PST SUN DEC 17 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 4:52 PM 70 1998 58 6 55
MINIMUM 46 7:38 AM 33 1965 44 2 38
AVERAGE 55 51 4 47
PRECIPITATION (IN)
YESTERDAY 0.00 2.10 2002 0.14 -0.14 0.00
MONTH TO DATE 0.16 2.07 -1.91 3.43
SINCE OCT 1 1.58 4.90 -3.32 5.02
SINCE JAN 1 21.78 17.57 4.21 7.19
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 10 14 -4 18
MONTH TO DATE 149 209 -60 250
SINCE DEC 1 149 209 -60 250
SINCE JUL 1 372 717 -345 775
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 280 201 79 280
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 3.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 10:00 PM
LOWEST 41 5:00 PM
AVERAGE 59
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 67 1958
MINIMUM TEMPERATURE (F) 44 30 1965
SUNRISE AND SUNSET
DECEMBER 17 2023......SUNRISE 7:18 AM PST SUNSET 4:53 PM PST
DECEMBER 18 2023......SUNRISE 7:19 AM PST SUNSET 4:53 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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