490
CDUS46 KMTR 010027
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT THU AUG 31 2023
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 76 12:44 PM 89 2005 74 2 71
MINIMUM 59 6:34 AM 48 1955 56 3 57
1957
AVERAGE 68 65 3 64
PRECIPITATION (IN)
TODAY 0.00 0.01 1964 0.00 0.00 0.00
MONTH TO DATE 0.03 0.04 -0.01 0.01
SINCE OCT 1 31.42 19.57 11.85 18.18
SINCE JAN 1 20.17 12.60 7.57 1.90
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE MM
SINCE JUN 1 MM
SINCE JUL 1 MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 1
MONTH TO DATE 6 43 -37 4
SINCE JUN 1 125 198 -73 120
SINCE JUL 1 47 101 -54 61
COOLING
TODAY 3 2 1 0
MONTH TO DATE 111 41 70 69
SINCE JUN 1 134 90 44 133
SINCE JAN 1 139 110 29 153
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 10.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 4:00 AM
LOWEST 50 2:00 PM
AVERAGE 67
......................................................
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 104 2017
MINIMUM TEMPERATURE (F) 56 49 1957
1981
SUNRISE AND SUNSET
AUGUST 31 2023........SUNRISE 6:39 AM PDT SUNSET 7:40 PM PDT
SEPTEMBER 1 2023.....SUNRISE 6:40 AM PDT SUNSET 7:39 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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