Climatological Report (Daily)
Issued by NWS
Issued by NWS
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115
CDUS46 KMTR 190829
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT SAT APR 19 2025
...................................
...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 18 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 64 12:38 PM 83 1950 66 -2 71
MINIMUM 51 11:59 PM 39 1967 49 2 52
1968
AVERAGE 58 58 0 62
PRECIPITATION (IN)
YESTERDAY 0.00 0.42 1984 0.05 -0.05 0.00
MONTH TO DATE 0.33 1.01 -0.68 0.77
SINCE OCT 1 15.96 18.56 -2.60 19.18
SINCE JAN 1 7.40 11.59 -4.19 13.85
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 7 8 -1 3
MONTH TO DATE 134 147 -13 141
SINCE MAR 1 450 443 7 418
SINCE JUL 1 1983 2122 -139 1559
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 9 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 7:00 AM
LOWEST 62 2:00 PM
AVERAGE 74
..........................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 86 2009
MINIMUM TEMPERATURE (F) 49 40 1967
1971
SUNRISE AND SUNSET
APRIL 19 2025.........SUNRISE 6:29 AM PDT SUNSET 7:49 PM PDT
APRIL 20 2025.........SUNRISE 6:27 AM PDT SUNSET 7:50 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$