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195
CDUS46 KMTR 220826
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT TUE APR 22 2025
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...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 21 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 70 2:45 PM 86 2009 66 4 72
MINIMUM 48 2:48 AM 39 1968 49 -1 53
AVERAGE 59 58 1 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.83 1961 0.03 -0.03 0.00
MONTH TO DATE 0.33 1.12 -0.79 0.77
SINCE OCT 1 15.96 18.67 -2.71 19.18
SINCE JAN 1 7.40 11.70 -4.30 13.85
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 6 8 -2 2
MONTH TO DATE 157 171 -14 156
SINCE MAR 1 473 467 6 433
SINCE JUL 1 2006 2146 -140 1574
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 NW (300)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 53 2:00 PM
AVERAGE 73
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 83 2013
MINIMUM TEMPERATURE (F) 50 42 1951
1961
1963
SUNRISE AND SUNSET
APRIL 22 2025.........SUNRISE 6:25 AM PDT SUNSET 7:52 PM PDT
APRIL 23 2025.........SUNRISE 6:23 AM PDT SUNSET 7:53 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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