762
CDUS46 KMTR 210828
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT MON SEP 21 2020
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1927 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 12:58 PM 93 1983 74 9 83
1990
2015
MINIMUM 58 6:10 AM 48 1947 56 2 58
1954
1965
AVERAGE 71 65 6 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.08 2005 0.00 0.00 0.00
MONTH TO DATE 0.00 0.08 -0.08 0.04
SINCE OCT 1 9.17 20.56 -11.39 23.35
SINCE JAN 1 4.16 13.20 -9.04 18.47
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE MM
SINCE SEP 1 MM
SINCE JUL 1 MM
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 14 40 -26 0
SINCE SEP 1 14 40 -26 0
SINCE JUL 1 78 153 -75 29
COOLING
YESTERDAY 6 1 5 6
MONTH TO DATE 76 35 41 64
SINCE SEP 1 76 35 41 64
SINCE JAN 1 241 132 109 281
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (310)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 11:00 PM
LOWEST 42 3:00 PM
AVERAGE 66
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 95 2003
MINIMUM TEMPERATURE (F) 56 45 1955
SUNRISE AND SUNSET
SEPTEMBER 21 2020.....SUNRISE 6:57 AM PDT SUNSET 7:07 PM PDT
SEPTEMBER 22 2020.....SUNRISE 6:58 AM PDT SUNSET 7:05 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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