378
CDUS46 KMTR 190843
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
143 AM PDT SAT AUG 19 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 80 2:26 PM 85 1978 74 6 71
MINIMUM 63 2:44 AM 48 1957 57 6 55
AVERAGE 72 65 7 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.35 1976 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 2
MONTH TO DATE 4 28 -24 2
SINCE JUN 1 123 183 -60 118
SINCE JUL 1 45 86 -41 59
COOLING
YESTERDAY 7 1 6 0
MONTH TO DATE 47 18 29 50
SINCE JUN 1 70 67 3 114
SINCE JAN 1 75 87 -12 134
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 12:00 AM
LOWEST 50 3:00 PM
AVERAGE 67
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 89 1964
MINIMUM TEMPERATURE (F) 57 49 1955
SUNRISE AND SUNSET
AUGUST 19 2023........SUNRISE 6:29 AM PDT SUNSET 7:57 PM PDT
AUGUST 20 2023........SUNRISE 6:30 AM PDT SUNSET 7:56 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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