033
CDUS46 KMTR 180832
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT THU MAY 18 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 17 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 2:10 PM 93 1997 68 -4 66
2009
MINIMUM 53 5:14 AM 45 1966 52 1 51
AVERAGE 59 60 -1 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 1994 0.01 -0.01 0.00
MONTH TO DATE 0.72 0.30 0.42 T
SINCE OCT 1 31.38 19.21 12.17 18.12
SINCE JAN 1 20.13 12.24 7.89 1.84
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE MM
SINCE MAR 1 MM
SINCE JUL 1 MM
DEGREE DAYS
HEATING
YESTERDAY 6 5 1 6
MONTH TO DATE 102 104 -2 114
SINCE MAR 1 749 634 115 625
SINCE JUL 1 2457 2313 144 2091
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 5 6 -1 11
SINCE JAN 1 5 6 -1 11
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 14.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 67 3:00 PM
AVERAGE 80
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 85 1978
MINIMUM TEMPERATURE (F) 52 42 1950
1974
SUNRISE AND SUNSET
MAY 18 2023...........SUNRISE 5:58 AM PDT SUNSET 8:15 PM PDT
MAY 19 2023...........SUNRISE 5:57 AM PDT SUNSET 8:15 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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