426
CDUS46 KMTR 190835
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST TUE DEC 19 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 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 9:46 PM 65 1958 58 6 56
MINIMUM 53 8:09 AM 30 1965 44 9 38
AVERAGE 59 51 8 47
PRECIPITATION (IN)
YESTERDAY 0.80 1.77 2005 0.14 0.66 0.00
MONTH TO DATE 1.03 2.34 -1.31 3.43
SINCE OCT 1 2.45 5.17 -2.72 5.02
SINCE JAN 1 22.65 17.84 4.81 7.19
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 6 14 -8 18
MONTH TO DATE 165 237 -72 285
SINCE DEC 1 165 237 -72 285
SINCE JUL 1 388 745 -357 810
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 8 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 PM
LOWEST 75 3:00 AM
AVERAGE 81
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 68 1999
MINIMUM TEMPERATURE (F) 44 32 1965
SUNRISE AND SUNSET
DECEMBER 19 2023......SUNRISE 7:20 AM PST SUNSET 4:54 PM PST
DECEMBER 20 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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