077
CDUS46 KMTR 160828
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT FRI MAY 16 2025
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 15 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 12:13 PM 96 2008 68 2 68
MINIMUM 51 5:34 AM 43 1955 52 -1 53
1964
1968
AVERAGE 61 60 1 61
PRECIPITATION (IN)
YESTERDAY 0.00 1.03 1996 0.01 -0.01 0.00
MONTH TO DATE 0.11 0.27 -0.16 0.95
SINCE OCT 1 16.11 19.18 -3.07 20.13
SINCE JAN 1 7.55 12.21 -4.66 14.80
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 4 6 -2 4
MONTH TO DATE 79 93 -14 76
SINCE MAR 1 633 623 10 565
SINCE JUL 1 2166 2302 -136 1706
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 10
SINCE MAR 1 5 6 -1 11
SINCE JAN 1 5 6 -1 11
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 11.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 47 3:00 PM
AVERAGE 67
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 1956
MINIMUM TEMPERATURE (F) 52 44 1955
1984
SUNRISE AND SUNSET
MAY 16 2025...........SUNRISE 5:59 AM PDT SUNSET 8:13 PM PDT
MAY 17 2025...........SUNRISE 5:58 AM PDT SUNSET 8:14 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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