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311
CDUS46 KMTR 290827
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST WED JAN 29 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 28 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 58 2:33 PM 69 1984 59 -1 66
MINIMUM 41 5:21 AM 33 1948 45 -4 53
1975
AVERAGE 50 52 -2 60
PRECIPITATION (IN)
YESTERDAY 0.00 1.04 1981 0.12 -0.12 0.00
MONTH TO DATE 0.13 3.52 -3.39 3.90
SINCE OCT 1 8.69 10.49 -1.80 9.23
SINCE JAN 1 0.13 3.52 -3.39 3.90
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE DEC 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 15 13 2 5
MONTH TO DATE 338 386 -48 308
SINCE DEC 1 648 808 -160 581
SINCE JUL 1 1189 1316 -127 804
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 67 3:00 PM
AVERAGE 84
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 66 1989
2009
2015
MINIMUM TEMPERATURE (F) 45 31 1979
SUNRISE AND SUNSET
JANUARY 29 2025.......SUNRISE 7:15 AM PST SUNSET 5:31 PM PST
JANUARY 30 2025.......SUNRISE 7:14 AM PST SUNSET 5:32 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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