000
CXUS56 KMTR 010843
CLMSFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
143 AM PDT FRI SEP 01 2023

...................................

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            100   08/01/1993
 LOW              42   08/21/1928
HIGHEST           91   08/30                          83  08/04
                                                          08/16
LOWEST            57   08/05                          55  08/18
                       08/06
                       08/08
AVG. MAXIMUM    76.6               73.4     3.2     74.9
AVG. MINIMUM    59.7                                58.9
MEAN            68.2               64.9     3.3     66.9
DAYS MAX >= 90     1                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        0.66   1976
 MINIMUM        0.00   2021
TOTALS          0.03               0.04   -0.01     0.01
DAILY AVG.      0.00               0.00   -0.00     0.00
DAYS >= .01        1                                   1
DAYS >= .10        0                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.03   08/21 TO 08/21               0.01  08/01 TO 08/01


DEGREE DAYS
HEATING TOTAL      6                 44     -38        4
 SINCE 7/1        47                101     -54       MM
COOLING TOTAL    111                 41      70       69
 SINCE 1/1       139                110      29       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.7
RESULTANT WIND SPEED/DIRECTION  10/290
HIGHEST WIND SPEED/DIRECTION    31/290    DATE  08/05
HIGHEST GUST SPEED/DIRECTION    41/200    DATE  08/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.38
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
HAZE                     19

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$