Climatological Report (Monthly)
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000
CXUS56 KMTR 010848
CLMAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
148 AM PDT WED APR 01 2020

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF MARCH 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             85   03/16/2004
                       03/15/2004
                       03/10/2004
 LOW              27   03/10/2009
HIGHEST           78   03/04                          75  03/18
LOWEST            30   03/27                          34  03/15
                                                          03/11
AVG. MAXIMUM    62.7                                62.8
AVG. MINIMUM    39.8                                41.6
MEAN            51.3                                52.2
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     3                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.83R              2.50   -1.67     5.01
DAILY AVG.      0.03                                0.16
DAYS >= .01        9                                  14
DAYS >= .10        3                                  11
DAYS >= .50        0                                   3
DAYS >= 1.00       0                                   2
GREATEST
 24 HR. TOTAL   0.33   03/14 TO 03/15               1.26  03/06 TO 03/06


DEGREE DAYS
HEATING TOTAL    417                                 388
 SINCE 7/1      2407                                2347
COOLING TOTAL      0                                   0
 SINCE 1/1         0                                   0
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.1
RESULTANT WIND SPEED/DIRECTION   3/250
HIGHEST WIND SPEED/DIRECTION    31/360    DATE  03/02
HIGHEST GUST SPEED/DIRECTION    39/020    DATE  03/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.44
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       0
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      7
HAZE                      1

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

$$


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