306
CDUS46 KMTR 170826
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT SUN SEP 17 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 73 1:55 PM 90 1968 75 -2 71
MINIMUM 63 6:04 AM 49 2006 56 7 59
AVERAGE 68 66 2 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.88 1989 0.00 0.00 0.00
MONTH TO DATE T 0.02 -0.02 0.00
SINCE OCT 1 31.42 19.59 11.83 18.18
SINCE JAN 1 20.17 12.62 7.55 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 18 -18 4
SINCE SEP 1 0 18 -18 4
SINCE JUL 1 47 120 -73 65
COOLING
YESTERDAY 3 2 1 0
MONTH TO DATE 25 32 -7 86
SINCE SEP 1 25 32 -7 86
SINCE JAN 1 164 142 22 239
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 12:00 AM
LOWEST 57 1:00 PM
AVERAGE 69
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 94 1984
MINIMUM TEMPERATURE (F) 56 50 1945
1946
1988
SUNRISE AND SUNSET
SEPTEMBER 17 2023.....SUNRISE 6:53 AM PDT SUNSET 7:14 PM PDT
SEPTEMBER 18 2023.....SUNRISE 6:54 AM PDT SUNSET 7:13 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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