232
CDUS46 KMTR 130831
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1231 AM PST WED DEC 13 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 61 1:58 PM 75 1958 58 3 53
MINIMUM 51 10:50 PM 29 1972 45 6 42
AVERAGE 56 52 4 48
PRECIPITATION (IN)
YESTERDAY 0.00 1.16 2006 0.13 -0.13 0.01
MONTH TO DATE 0.16 1.52 -1.36 3.43
SINCE OCT 1 1.58 4.35 -2.77 5.02
SINCE JAN 1 21.78 17.02 4.76 7.19
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 9 14 -5 17
MONTH TO DATE 108 153 -45 178
SINCE DEC 1 108 153 -45 178
SINCE JUL 1 331 661 -330 703
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 W (290)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 67 2:00 PM
AVERAGE 79
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 69 1958
MINIMUM TEMPERATURE (F) 45 30 1945
1972
SUNRISE AND SUNSET
DECEMBER 13 2023......SUNRISE 7:16 AM PST SUNSET 4:52 PM PST
DECEMBER 14 2023......SUNRISE 7:16 AM PST SUNSET 4:52 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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