Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KMTR 010842
CLMSFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
142 AM PDT TUE AUG 01 2023

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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            105   07/17/1988
 LOW              44   07/29/1951
HIGHEST           81   07/01                          81  07/10
                       07/02
LOWEST            54   07/10                          53  07/16
                       07/11
                       07/13
                                                          07/21
                                                          07/24
AVG. MAXIMUM    71.9               72.6    -0.7     70.5
AVG. MINIMUM    56.3                                56.7
MEAN            64.1               64.0     0.1     63.6
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        0.35   1977
 MINIMUM        0.00   2022
TOTALS             T               0.00    0.00     0.00
DAILY AVG.         T               0.00    0.00     0.00
DAYS >= .01        0                                   0
DAYS >= .10        0                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL      T   07/09 TO 07/09               0.00  06/30 TO 06/30


DEGREE DAYS
HEATING TOTAL     41                 58     -17       57
 SINCE 7/1        41                 62     -21       MM
COOLING TOTAL     22                 26      -4       19
 SINCE 1/1        28                 69     -41       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              13.5
RESULTANT WIND SPEED/DIRECTION  13/300
HIGHEST WIND SPEED/DIRECTION    32/260    DATE  07/08
HIGHEST GUST SPEED/DIRECTION    45/260    DATE  07/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.39
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     71

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                      10     FOG W/VIS <= 1/4 MILE      0
HAZE                     18

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

$$


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