800
CDUS46 KMTR 310835
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST TUE DEC 31 2024
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 59 3:39 PM 69 1945 57 2 62
MINIMUM 46 6:07 AM 33 1978 44 2 52
1982
1990
AVERAGE 53 51 2 57
PRECIPITATION (IN)
YESTERDAY 0.00 2.19 1976 0.13 -0.13 0.19
MONTH TO DATE 4.51 4.01 0.50 3.91
SINCE OCT 1 8.56 6.84 1.72 5.33
SINCE JAN 1 23.46 19.51 3.95 25.53
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 12 14 -2 8
MONTH TO DATE 296 405 -109 262
SINCE DEC 1 296 405 -109 262
SINCE JUL 1 837 913 -76 485
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 184 201 -17 280
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 53 2:00 PM
AVERAGE 75
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 67 1958
1996
MINIMUM TEMPERATURE (F) 44 29 1978
SUNRISE AND SUNSET
DECEMBER 31 2024......SUNRISE 7:24 AM PST SUNSET 5:01 PM PST
JANUARY 1 2025.......SUNRISE 7:25 AM PST SUNSET 5:02 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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