Climatological Report (Monthly)
Issued by NWS

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592
CXUS56 KMTR 020929
CLMCCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
218 AM PDT TUE MAY 2 2017

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1999 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   MM
 LOW               37   04/07/2012
                        04/06/2012
                        04/11/1967
HIGHEST            85   04/30                         87  04/18
                                                          04/06
LOWEST             40   04/09                         44  04/15
AVG. MAXIMUM     70.7                               74.4
AVG. MINIMUM     49.5                               51.8
MEAN             60.1                               63.1
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           2.53              1.12    1.41     1.05
DAILY AVG.       0.08                               0.04
DAYS >= .01         8                                  4
DAYS >= .10         6                                  3
DAYS >= .50         2                                  1
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    1.01   04/06 TO 04/07           04/09 TO 04/10
                                                          04/30 TO 04/30
                                                          04/30 TO 04/30

DEGREE_DAYS
HEATING TOTAL     145                                 66
 SINCE 7/1       1920                               1768
COOLING TOTAL       4                                 22
 SINCE 1/1          4                                 22
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
RESULTANT WIND SPEED/DIRECTION   4/245
HIGHEST WIND SPEED/DIRECTION    36/170    DATE  04/06
HIGHEST GUST SPEED/DIRECTION    48/170    DATE  04/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
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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