458
CDUS46 KMTR 200831
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1231 AM PST WED DEC 20 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 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 65 2:28 PM 68 1999 58 7 47
MINIMUM 59 7:46 AM 32 1965 44 15 42
AVERAGE 62 51 11 45
PRECIPITATION (IN)
YESTERDAY 0.19 1.81 1952 0.14 0.05 0.00
MONTH TO DATE 1.22 2.48 -1.26 3.43
SINCE OCT 1 2.64 5.31 -2.67 5.02
SINCE JAN 1 22.84 17.98 4.86 7.19
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 3 14 -11 20
MONTH TO DATE 168 251 -83 305
SINCE DEC 1 168 251 -83 305
SINCE JUL 1 391 759 -368 830
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
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 10.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 7:00 AM
LOWEST 70 3:00 PM
AVERAGE 80
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 69 1999
MINIMUM TEMPERATURE (F) 44 31 1965
SUNRISE AND SUNSET
DECEMBER 20 2023......SUNRISE 7:20 AM PST SUNSET 4:54 PM PST
DECEMBER 21 2023......SUNRISE 7:21 AM PST SUNSET 4:55 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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