Climatological Report (Monthly)
Issued by NWS

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CXUS56 KMTR 052346
CLMAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
346 PM PST SUN MAR 5 2017

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 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             108   MM
 LOW               25   02/01/2014
                        02/20/2013
                        02/27/2012
HIGHEST            69   02/14                         76  02/15
LOWEST             31   02/26                         34  02/21
                                                          02/20
                                                          02/06
AVG. MAXIMUM     61.1                               66.3
AVG. MINIMUM     45.0                               40.7
MEAN             53.0                               53.5
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      4                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           8.93              3.79    5.14     0.65
DAILY AVG.       0.32                               0.02
DAYS >= .01        14                                  4
DAYS >= .10        13                                  2
DAYS >= .50         8                                  0
DAYS >= 1.00        2                                  0
GREATEST
 24 HR. TOTAL    2.07   02/20 TO 02/20           02/17 TO 02/18
                                                          02/29 TO 02/29
                                                          02/29 TO 02/29

DEGREE_DAYS
HEATING TOTAL     328                                315
 SINCE 7/1       1883                               1891
COOLING TOTAL       0                                  0
 SINCE 1/1          0                                  0
..........................................................

WIND (MPH)
AVERAGE WIND SPEED              7.5
RESULTANT WIND SPEED/DIRECTION   3/196
HIGHEST WIND SPEED/DIRECTION    33/100    DATE  02/17
HIGHEST GUST SPEED/DIRECTION    44/100    DATE  02/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      11
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      1
HAZE                      6

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

$$


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