768
CXUS56 KMTR 010838
CLMSFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT TUE OCT 01 2024

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   09/02/2017
                       09/01/2017
                       02/13/2353849
 LOW              41   09/30/1950
HIGHEST           87   09/30                          77  09/25
                                                          09/26
LOWEST            51   09/03                          55  09/10
                       09/08
                       09/12
                                                          09/23
                                                          09/24
AVG. MAXIMUM    71.7               74.8    -3.1     73.3
AVG. MINIMUM    54.2                                58.9
MEAN            63.0               65.3    -2.3     66.1
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.30   1959
 MINIMUM        0.00   2021
TOTALS          0.00R              0.07   -0.07     0.03
DAILY AVG.      0.00               0.00   -0.00     0.00
DAYS >= .01        0                                   2
DAYS >= .10        0                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.00   08/31 TO 08/31               0.02  09/30 TO 09/30


DEGREE DAYS
HEATING TOTAL     74                 46      28        6
 SINCE 7/1       204                146      58       MM
COOLING TOTAL     24                 56     -32       48
 SINCE 1/1        98                166     -68       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.5
RESULTANT WIND SPEED/DIRECTION  10/290
HIGHEST WIND SPEED/DIRECTION    38/280    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    50/290    DATE  09/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.35
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      25     FOG W/VIS <= 1/4 MILE      1
HAZE                     22

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

$$