567
CDUS46 KMTR 210827
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT MON AUG 21 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 89R 3:18 PM 84 1964 74 15 77
MINIMUM 61 5:42 AM 47 1955 57 4 58
AVERAGE 75 65 10 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.04 1997 0.00 0.00 0.00
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 30 -26 3
SINCE JUN 1 123 185 -62 119
SINCE JUL 1 45 88 -43 60
COOLING
YESTERDAY 10 1 9 3
MONTH TO DATE 62 20 42 53
SINCE JUN 1 85 69 16 117
SINCE JAN 1 90 89 1 137
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WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 5:00 AM
LOWEST 37 2:00 PM
AVERAGE 64
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 85 1974
MINIMUM TEMPERATURE (F) 57 48 1952
SUNRISE AND SUNSET
AUGUST 21 2023........SUNRISE 6:30 AM PDT SUNSET 7:54 PM PDT
AUGUST 22 2023........SUNRISE 6:31 AM PDT SUNSET 7:53 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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