343
CDUS46 KMTR 280834
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT THU SEP 28 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 76 1:51 PM 96 1958 75 1 67
2010
MINIMUM 61 11:59 PM 47 1948 55 6 57
1955
AVERAGE 69 65 4 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.81 1957 0.00 0.00 0.00
MONTH TO DATE 0.01 0.05 -0.04 0.27
SINCE OCT 1 31.43 19.62 11.81 18.45
SINCE JAN 1 20.18 12.65 7.53 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 3
MONTH TO DATE 4 38 -34 13
SINCE SEP 1 4 38 -34 13
SINCE JUL 1 51 140 -89 74
COOLING
YESTERDAY 4 2 2 0
MONTH TO DATE 47 54 -7 106
SINCE SEP 1 47 54 -7 106
SINCE JAN 1 186 164 22 259
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WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 14.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 6:00 PM
LOWEST 48 10:00 AM
AVERAGE 66
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 96 2020
MINIMUM TEMPERATURE (F) 55 47 1947
SUNRISE AND SUNSET
SEPTEMBER 28 2023.....SUNRISE 7:02 AM PDT SUNSET 6:57 PM PDT
SEPTEMBER 29 2023.....SUNRISE 7:03 AM PDT SUNSET 6:56 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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