178
CDUS46 KMTR 160829
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1229 AM PST SAT DEC 16 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 4:04 PM 71 1980 58 5 56
MINIMUM 48 7:15 AM 31 1967 45 3 42
AVERAGE 56 51 5 49
PRECIPITATION (IN)
YESTERDAY 0.00 1.49 2016 0.14 -0.14 0.00
MONTH TO DATE 0.16 1.93 -1.77 3.43
SINCE OCT 1 1.58 4.76 -3.18 5.02
SINCE JAN 1 21.78 17.43 4.35 7.19
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 9 14 -5 16
MONTH TO DATE 139 195 -56 232
SINCE DEC 1 139 195 -56 232
SINCE JUL 1 362 703 -341 757
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 3 RESULTANT WIND DIRECTION SE (140)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 4:00 AM
LOWEST 44 5:00 PM
AVERAGE 62
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 70 1998
MINIMUM TEMPERATURE (F) 44 33 1965
SUNRISE AND SUNSET
DECEMBER 16 2023......SUNRISE 7:18 AM PST SUNSET 4:52 PM PST
DECEMBER 17 2023......SUNRISE 7:18 AM PST SUNSET 4:53 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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