584
CDUS46 KMTR 120830
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1230 AM PST TUE DEC 12 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 63 3:34 PM 74 1958 58 5 54
MINIMUM 44 6:13 AM 26 1972 45 -1 46
AVERAGE 54 52 2 50
PRECIPITATION (IN)
YESTERDAY 0.00 3.43 2014 0.13 -0.13 0.44
MONTH TO DATE 0.16 1.39 -1.23 3.42
SINCE OCT 1 1.58 4.22 -2.64 5.01
SINCE JAN 1 21.78 16.89 4.89 7.18
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 11 13 -2 15
MONTH TO DATE 99 139 -40 161
SINCE DEC 1 99 139 -40 161
SINCE JUL 1 322 647 -325 686
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 4 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 10:00 PM
LOWEST 46 3:00 PM
AVERAGE 67
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 75 1958
MINIMUM TEMPERATURE (F) 45 29 1972
SUNRISE AND SUNSET
DECEMBER 12 2023......SUNRISE 7:15 AM PST SUNSET 4:51 PM PST
DECEMBER 13 2023......SUNRISE 7:16 AM PST SUNSET 4:52 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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