Climatological Report (Monthly)
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000
CXUS56 KMTR 011843
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1142 AM PDT SUN APR 1 2018

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF MARCH 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              85   MM
 LOW               28   03/05/2018
HIGHEST            80   03/29                         80  03/14
                                                          03/13
LOWEST             28R  03/05                         35  03/02
                                                          03/01
AVG. MAXIMUM     63.1                               68.2
AVG. MINIMUM     38.2                               44.2
MEAN             50.6                               56.2
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      6                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           5.19              2.50    2.69     3.75
DAILY AVG.       0.17                               0.12
DAYS >= .01        18                                  9
DAYS >= .10        10                                  8
DAYS >= .50         4                                  3
DAYS >= 1.00        1                                  0
GREATEST
 24 HR. TOTAL    1.38   03/01 TO 03/01           03/21 TO 03/21
                                                          03/31 TO 03/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          03/31 TO 03/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     438                                265
 SINCE 7/1       2458                               2148
COOLING TOTAL       0                                  0
 SINCE 1/1          0                                  0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
RESULTANT WIND SPEED/DIRECTION   2/216
HIGHEST WIND SPEED/DIRECTION    30/240    DATE  03/01
HIGHEST GUST SPEED/DIRECTION    38/230    DATE  03/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
 12
  0
  0
  0
  0
  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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