127
CDUS46 KMTR 190031
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT MON SEP 18 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 74 2:28 PM 93 2009 75 -1 70
MINIMUM 63 3:45 AM 46 1955 56 7 60
AVERAGE 69 65 4 65
PRECIPITATION (IN)
TODAY 0.00 2.29 1959 0.00 0.00 0.10
MONTH TO DATE T 0.02 -0.02 0.10
SINCE OCT 1 31.42 19.59 11.83 18.28
SINCE JAN 1 20.17 12.62 7.55 2.00
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 20 -20 6
SINCE SEP 1 0 20 -20 6
SINCE JUL 1 47 122 -75 67
COOLING
TODAY 4 2 2 0
MONTH TO DATE 32 36 -4 86
SINCE SEP 1 32 36 -4 86
SINCE JAN 1 171 146 25 239
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 2:00 AM
LOWEST 53 2:00 PM
AVERAGE 69
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 2000
MINIMUM TEMPERATURE (F) 56 46 1947
1954
SUNRISE AND SUNSET
SEPTEMBER 18 2023.....SUNRISE 6:54 AM PDT SUNSET 7:13 PM PDT
SEPTEMBER 19 2023.....SUNRISE 6:55 AM PDT SUNSET 7:11 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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