Climatological Report (Monthly)
Issued by NWS

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076
CXUS56 KMTR 010941
CLMSFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
141 AM PST SUN NOV 01 2020

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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1927 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   10/05/1987
 LOW              37   10/20/1949
HIGHEST           94   10/16                          89  10/24
LOWEST            47   10/31                          47  10/29
AVG. MAXIMUM    77.8               70.4     7.4     75.0
AVG. MINIMUM    55.6                                53.1
MEAN            66.7               61.8     4.9     64.1
DAYS MAX >= 90     3                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.30   1962
 MINIMUM        0.00   2019
TOTALS          0.00R              0.95   -0.95     0.00
DAILY AVG.      0.00               0.03   -0.03     0.00
DAYS >= .01        0                                   0
DAYS >= .10        0                                   0
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.00   09/30 TO 09/30               0.00  09/30 TO 10/01
                                                          10/01 TO 10/01
                                                          10/01 TO 10/02


DEGREE DAYS
HEATING TOTAL     41                121     -80       72
 SINCE 7/1       119                287    -168      117
COOLING TOTAL    100                 22      78       51
 SINCE 1/1       396                163     233      384
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
RESULTANT WIND SPEED/DIRECTION   6/300
HIGHEST WIND SPEED/DIRECTION    31/040    DATE  10/26
HIGHEST GUST SPEED/DIRECTION    37/030    DATE  10/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.25
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     60

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                      11     FOG W/VIS <= 1/4 MILE      1
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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