110
CDUS46 KMTR 210043
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
443 PM PST WED DEC 20 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 60 1:37 PM 69 1999 58 2 53
MINIMUM 55 8:16 AM 31 1965 44 11 45
AVERAGE 58 51 7 49
PRECIPITATION (IN)
TODAY 1.30R 0.91 1970 0.14 1.16 0.00
MONTH TO DATE 2.52 2.62 -0.10 3.43
SINCE OCT 1 3.94 5.45 -1.51 5.02
SINCE JAN 1 24.14 18.12 6.02 7.19
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 7 14 -7 16
MONTH TO DATE 175 265 -90 321
SINCE DEC 1 175 265 -90 321
SINCE JUL 1 398 773 -375 846
COOLING
TODAY 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 (120)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 77 1:00 PM
AVERAGE 82
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 68 1999
MINIMUM TEMPERATURE (F) 44 28 1990
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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