893
CDUS46 KMTR 210031
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT WED SEP 20 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 73 2:44 PM 93 1983 75 -2 74
1990
2015
MINIMUM 58 6:42 AM 48 1947 56 2 58
1954
1965
AVERAGE 66 65 1 66
PRECIPITATION (IN)
TODAY 0.00 0.08 2005 0.01 -0.01 T
MONTH TO DATE T 0.03 -0.03 0.11
SINCE OCT 1 31.42 19.60 11.82 18.29
SINCE JAN 1 20.17 12.63 7.54 2.01
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 24 -24 6
SINCE SEP 1 0 24 -24 6
SINCE JUL 1 47 126 -79 67
COOLING
TODAY 1 2 -1 1
MONTH TO DATE 34 40 -6 88
SINCE SEP 1 34 40 -6 88
SINCE JAN 1 173 150 23 241
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 53 2:00 PM
AVERAGE 70
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 2003
MINIMUM TEMPERATURE (F) 56 45 1955
SUNRISE AND SUNSET
SEPTEMBER 20 2023.....SUNRISE 6:56 AM PDT SUNSET 7:10 PM PDT
SEPTEMBER 21 2023.....SUNRISE 6:56 AM PDT SUNSET 7:08 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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