452
CDUS46 KMTR 180830
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT FRI AUG 18 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 75 2:57 PM 82 1988 73 2 75
1993
2020
MINIMUM 60 5:25 AM 48 1945 57 3 58
1952
AVERAGE 68 65 3 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.03 1976 0.00 0.00 T
MONTH TO DATE 0.00 0.02 -0.02 0.01
SINCE OCT 1 31.39 19.55 11.84 18.18
SINCE JAN 1 20.14 12.58 7.56 1.90
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE MM
SINCE JUN 1 MM
SINCE JUL 1 MM
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 4 27 -23 0
SINCE JUN 1 123 182 -59 116
SINCE JUL 1 45 85 -40 57
COOLING
YESTERDAY 3 1 2 2
MONTH TO DATE 40 17 23 50
SINCE JUN 1 63 66 -3 114
SINCE JAN 1 68 86 -18 134
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 13.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 61 11:00 AM
AVERAGE 77
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 85 1978
MINIMUM TEMPERATURE (F) 57 48 1957
SUNRISE AND SUNSET
AUGUST 18 2023........SUNRISE 6:28 AM PDT SUNSET 7:58 PM PDT
AUGUST 19 2023........SUNRISE 6:29 AM PDT SUNSET 7:57 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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