Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KMTR 040109
CLMCCR


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
609 PM PDT SAT JUN 3 2017

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

...THE CONCORD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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             105   MM
 LOW               45   05/08/2015
                        05/22/2013
                        05/05/2012
HIGHEST            95   05/21                         97  05/31
                        05/03
LOWEST             49   05/14                         48  05/22
                        05/13
AVG. MAXIMUM     79.7                               78.5
AVG. MINIMUM     53.8                               54.4
MEAN             66.8                               66.5
DAYS MAX >= 90      8                                  5
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
TOTALS           0.02              0.54   -0.52     0.22
DAILY AVG.       0.00                               0.01
DAYS >= .01         1                                  3
DAYS >= .10         0                                  1
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.02   05/31 TO 05/31           05/07 TO 05/07
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL      45                                 39
 SINCE 7/1       1965                               1807
COOLING TOTAL     105                                 93
 SINCE 1/1        109                                115
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
RESULTANT WIND SPEED/DIRECTION   6/238
HIGHEST WIND SPEED/DIRECTION    26/290    DATE  05/12
HIGHEST GUST SPEED/DIRECTION    35/280    DATE  05/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     59

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