959
CDUS46 KMTR 290830
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT FRI SEP 29 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 12:28 PM 96 2020 75 -1 71
MINIMUM 58 6:20 AM 47 1947 55 3 58
AVERAGE 66 65 1 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.17 1976 0.01 -0.01 0.00
MONTH TO DATE 0.01 0.06 -0.05 0.27
SINCE OCT 1 31.43 19.63 11.80 18.45
SINCE JAN 1 20.18 12.66 7.52 2.17
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 4 40 -36 13
SINCE SEP 1 4 40 -36 13
SINCE JUL 1 51 142 -91 74
COOLING
YESTERDAY 1 2 -1 0
MONTH TO DATE 48 56 -8 106
SINCE SEP 1 48 56 -8 106
SINCE JAN 1 187 166 21 259
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WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 12.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 51 1:00 PM
AVERAGE 69
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 2020
MINIMUM TEMPERATURE (F) 55 45 1950
1955
SUNRISE AND SUNSET
SEPTEMBER 29 2023.....SUNRISE 7:03 AM PDT SUNSET 6:56 PM PDT
SEPTEMBER 30 2023.....SUNRISE 7:04 AM PDT SUNSET 6:54 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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