321
CDUS46 KMTR 120836
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT TUE SEP 12 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 72 11:35 AM 98 1979 75 -3 77
MINIMUM 59 6:48 AM 49 1951 56 3 64
AVERAGE 66 66 0 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.22 2017 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 MM
SINCE SEP 1 MM
SINCE JUL 1 MM
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 13 -13 4
SINCE SEP 1 0 13 -13 4
SINCE JUL 1 47 115 -68 65
COOLING
YESTERDAY 1 2 -1 6
MONTH TO DATE 16 22 -6 82
SINCE SEP 1 16 22 -6 82
SINCE JAN 1 155 132 23 235
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 13.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 7:00 PM
LOWEST 59 10:00 AM
AVERAGE 73
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 100 1979
MINIMUM TEMPERATURE (F) 56 47 1946
1970
SUNRISE AND SUNSET
SEPTEMBER 12 2023.....SUNRISE 6:49 AM PDT SUNSET 7:22 PM PDT
SEPTEMBER 13 2023.....SUNRISE 6:50 AM PDT SUNSET 7:21 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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