270
CDUS46 KMTR 220040
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
540 PM PDT THU SEP 21 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2023
VALID TODAY AS OF 0500 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 74 3:08 PM 95 2003 75 -1 74
MINIMUM 57 6:39 AM 45 1955 56 1 60
AVERAGE 66 65 1 67
PRECIPITATION (IN)
TODAY 0.00 0.23 2013 0.00 0.00 0.16
MONTH TO DATE T 0.03 -0.03 0.27
SINCE OCT 1 31.42 19.60 11.82 18.45
SINCE JAN 1 20.17 12.63 7.54 2.17
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 0 26 -26 6
SINCE SEP 1 0 26 -26 6
SINCE JUL 1 47 128 -81 67
COOLING
TODAY 1 2 -1 2
MONTH TO DATE 35 42 -7 90
SINCE SEP 1 35 42 -7 90
SINCE JAN 1 174 152 22 243
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 12:00 AM
LOWEST 48 3:00 PM
AVERAGE 62
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 91 1946
MINIMUM TEMPERATURE (F) 56 48 1981
SUNRISE AND SUNSET
SEPTEMBER 21 2023.....SUNRISE 6:56 AM PDT SUNSET 7:08 PM PDT
SEPTEMBER 22 2023.....SUNRISE 6:57 AM PDT SUNSET 7:07 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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