Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 011423
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
723 AM PDT SAT APR 1 2017

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF MARCH 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              85   MM
 LOW               30   03/08/2012
HIGHEST            80   03/14                         75  03/17
                        03/13
LOWEST             35   03/02                         33  03/29
                        03/01
AVG. MAXIMUM     68.2                               63.7
AVG. MINIMUM     44.2                               43.5
MEAN             56.2                               53.6
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           3.75              2.50    1.25     6.50
DAILY AVG.       0.12                               0.21
DAYS >= .01         9                                 12
DAYS >= .10         8                                 11
DAYS >= .50         3                                  5
DAYS >= 1.00        0                                  2
GREATEST
 24 HR. TOTAL    0.95   03/21 TO 03/21           03/10 TO 03/10
                                                          03/31 TO 03/31
                                                          03/31 TO 03/31

DEGREE_DAYS
HEATING TOTAL     265                                334
 SINCE 7/1       2148                               2225
COOLING TOTAL       0                                  0
 SINCE 1/1          0                                  0
..................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
RESULTANT WIND SPEED/DIRECTION   3/245
HIGHEST WIND SPEED/DIRECTION    28/010    DATE  03/31
HIGHEST GUST SPEED/DIRECTION    37/220    DATE  03/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       8
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      5
HAZE                      3

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

$$



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