263
CDUS46 KMTR 200829
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT THU JUL 20 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 19 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 70 12:13 PM 90 1961 73 -3 67
MINIMUM 57 11:57 PM 49 1981 56 1 54
AVERAGE 64 64 0 61
PRECIPITATION (IN)
YESTERDAY 0.00 T 1975 0.00 0.00 0.00
1977
1978
MONTH TO DATE T 0.00 0.00 0.00
SINCE OCT 1 31.39 19.53 11.86 18.17
SINCE JAN 1 20.14 12.56 7.58 1.89
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE MM
SINCE JUN 1 MM
SINCE JUL 1 MM
DEGREE DAYS
HEATING
YESTERDAY 1 2 -1 4
MONTH TO DATE 32 38 -6 32
SINCE JUN 1 110 135 -25 91
SINCE JUL 1 32 38 -6 32
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 18 19 -1 17
SINCE JUN 1 19 42 -23 62
SINCE JAN 1 24 62 -38 82
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 11.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 12:00 AM
LOWEST 61 1:00 PM
AVERAGE 74
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 93 1996
MINIMUM TEMPERATURE (F) 56 49 1949
1953
1981
SUNRISE AND SUNSET
JULY 20 2023..........SUNRISE 6:04 AM PDT SUNSET 8:28 PM PDT
JULY 21 2023..........SUNRISE 6:04 AM PDT SUNSET 8:27 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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