501
CDUS46 KMTR 130833
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT WED SEP 13 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 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 74 2:59 PM 100 1979 75 -1 71
MINIMUM 60 4:50 AM 47 1946 56 4 60
1970
AVERAGE 67 66 1 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.07 1963 0.00 0.00 0.00
MONTH TO DATE T 0.01 -0.01 0.00
SINCE OCT 1 31.42 19.58 11.84 18.18
SINCE JAN 1 20.17 12.61 7.56 1.90
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 14 -14 4
SINCE SEP 1 0 14 -14 4
SINCE JUL 1 47 116 -69 65
COOLING
YESTERDAY 2 2 0 1
MONTH TO DATE 18 24 -6 83
SINCE SEP 1 18 24 -6 83
SINCE JAN 1 157 134 23 236
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 12:00 AM
LOWEST 53 3:00 PM
AVERAGE 68
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 101 1971
MINIMUM TEMPERATURE (F) 56 47 1947
SUNRISE AND SUNSET
SEPTEMBER 13 2023.....SUNRISE 6:50 AM PDT SUNSET 7:21 PM PDT
SEPTEMBER 14 2023.....SUNRISE 6:51 AM PDT SUNSET 7:19 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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