Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 010941
CLMAPC

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

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1998 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            101   MM
 LOW              32   10/31/2019
                       10/27/2011
                       01/01/2000
HIGHEST          101R  10/15                          93  10/24
LOWEST            39   10/28                          32  10/31
                       10/30
                       10/31
AVG. MAXIMUM    82.9                                77.2
AVG. MINIMUM    48.0                                40.6
MEAN            65.4                                59.0
DAYS MAX >= 90     9                                   2
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   1
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.00               0.97   -0.97     0.00
DAILY AVG.      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   10/23 TO 10/23               0.00  09/30 TO 10/01
                                                          10/01 TO 10/01
                                                          10/01 TO 10/02


DEGREE DAYS
HEATING TOTAL     57                                 165
 SINCE 7/1        80                                 220
COOLING TOTAL     73                                  14
 SINCE 1/1       579                                 346
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.3
RESULTANT WIND SPEED/DIRECTION   2/220
HIGHEST WIND SPEED/DIRECTION    43/020    DATE  10/25
HIGHEST GUST SPEED/DIRECTION    53/010    DATE  10/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.16
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     56

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                      14     FOG W/VIS <= 1/4 MILE      6
HAZE                      9

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

$$


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