269
CDUS46 KMTR 100837
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT THU APR 10 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 9 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 1:14 PM 90 1989 65 8 71
MINIMUM 50 6:12 AM 38 1953 49 1 48
AVERAGE 62 57 5 60
PRECIPITATION (IN)
YESTERDAY 0.00 0.96 1965 0.05 -0.05 0.00
MONTH TO DATE 0.33 0.58 -0.25 0.50
SINCE OCT 1 15.96 18.13 -2.17 18.91
SINCE JAN 1 7.40 11.16 -3.76 13.58
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 3 8 -5 5
MONTH TO DATE 73 75 -2 86
SINCE MAR 1 389 371 18 363
SINCE JUL 1 1922 2050 -128 1504
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 3 1 2 1
SINCE JAN 1 3 1 2 1
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 11:00 PM
LOWEST 49 4:00 PM
AVERAGE 66
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 91 1988
MINIMUM TEMPERATURE (F) 49 41 1946
1949
SUNRISE AND SUNSET
APRIL 10 2025.........SUNRISE 6:41 AM PDT SUNSET 7:41 PM PDT
APRIL 11 2025.........SUNRISE 6:40 AM PDT SUNSET 7:42 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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