597
CDUS46 KMTR 220837
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT TUE AUG 22 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 3:34 PM 85 1974 74 1 78
MINIMUM 63 2:55 AM 48 1952 57 6 57
AVERAGE 69 65 4 68
PRECIPITATION (IN)
YESTERDAY 0.03 0.04 1968 0.00 0.03 0.00
MONTH TO DATE 0.03 0.02 0.01 0.01
SINCE OCT 1 31.42 19.55 11.87 18.18
SINCE JAN 1 20.17 12.58 7.59 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 31 -27 3
SINCE JUN 1 123 186 -63 119
SINCE JUL 1 45 89 -44 60
COOLING
YESTERDAY 4 2 2 3
MONTH TO DATE 66 22 44 56
SINCE JUN 1 89 71 18 120
SINCE JAN 1 94 91 3 140
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WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 12.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 12:00 PM
LOWEST 57 8:00 AM
AVERAGE 71
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 90 1999
MINIMUM TEMPERATURE (F) 57 49 1955
SUNRISE AND SUNSET
AUGUST 22 2023........SUNRISE 6:31 AM PDT SUNSET 7:53 PM PDT
AUGUST 23 2023........SUNRISE 6:32 AM PDT SUNSET 7:52 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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