362
CDUS46 KMTR 180838
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1238 AM PST MON DEC 18 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 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 59 3:03 PM 67 1958 58 1 56
MINIMUM 51 3:47 AM 30 1965 44 7 40
AVERAGE 55 51 4 48
PRECIPITATION (IN)
YESTERDAY 0.07 1.26 2005 0.13 -0.06 0.00
MONTH TO DATE 0.23 2.20 -1.97 3.43
SINCE OCT 1 1.65 5.03 -3.38 5.02
SINCE JAN 1 21.85 17.70 4.15 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 17
MONTH TO DATE 159 223 -64 267
SINCE DEC 1 159 223 -64 267
SINCE JUL 1 382 731 -349 792
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 (120)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 1:00 PM
LOWEST 45 9:00 AM
AVERAGE 63
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 65 1958
MINIMUM TEMPERATURE (F) 44 30 1965
SUNRISE AND SUNSET
DECEMBER 18 2023......SUNRISE 7:19 AM PST SUNSET 4:53 PM PST
DECEMBER 19 2023......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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