024
CDUS46 KMTR 210041
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
541 PM PDT SUN APR 20 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 20 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 63 1:16 PM 91 2009 66 -3 67
MINIMUM 51 2:43 AM 38 1967 49 2 51
AVERAGE 57 58 -1 59
PRECIPITATION (IN)
TODAY 0.00 0.69 2001 0.04 -0.04 0.00
MONTH TO DATE 0.33 1.09 -0.76 0.77
SINCE OCT 1 15.96 18.64 -2.68 19.18
SINCE JAN 1 7.40 11.67 -4.27 13.85
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 8 8 0 6
MONTH TO DATE 150 163 -13 154
SINCE MAR 1 466 459 7 431
SINCE JUL 1 1999 2138 -139 1572
COOLING
TODAY 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 NW (300)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 12:00 AM
LOWEST 60 1:00 PM
AVERAGE 70
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 86 2009
MINIMUM TEMPERATURE (F) 49 39 1968
SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE 6:27 AM PDT SUNSET 7:50 PM PDT
APRIL 21 2025.........SUNRISE 6:26 AM PDT SUNSET 7:51 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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