923
CDUS46 KMTR 190029
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
529 PM PDT THU MAY 18 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 18 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 64 3:02 PM 85 1978 68 -4 77
MINIMUM 54 6:58 AM 42 1950 52 2 50
1974
AVERAGE 59 60 -1 64
PRECIPITATION (IN)
TODAY 0.00 1.23 1957 0.02 -0.02 0.00
MONTH TO DATE 0.72 0.32 0.40 T
SINCE OCT 1 31.38 19.23 12.15 18.12
SINCE JAN 1 20.13 12.26 7.87 1.84
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE MM
SINCE MAR 1 MM
SINCE JUL 1 MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 6 5 1 1
MONTH TO DATE 108 109 -1 115
SINCE MAR 1 755 639 116 626
SINCE JUL 1 2463 2318 145 2092
COOLING
TODAY 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 13 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 65 3:00 PM
AVERAGE 78
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 86 1952
1978
1983
MINIMUM TEMPERATURE (F) 52 42 1950
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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page