Climatological Report (Monthly)
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000
CXUS56 KSEW 011053
CLMBLI


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
352 AM PDT MON OCT 1 2018

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

...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1949 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              89   09/20/1974
                        09/14/1951
 LOW               28   09/27/1972
HIGHEST            79   09/05        MM      MM       87  09/04
LOWEST             41   09/25        MM      MM       41  09/15
AVG. MAXIMUM     67.0              66.9     0.1     71.0
AVG. MINIMUM     50.2              47.6     2.6     50.8
MEAN             58.6              57.2     1.4     60.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.71   1969
 MINIMUM         0.00   2012
TOTALS           2.61              1.78    0.83     1.76
DAILY AVG.       0.09              0.06    0.03     0.06
DAYS >= .01        15               9.8     5.2        9
DAYS >= .10         9               4.5     4.5        7
DAYS >= .50         1               0.8     0.2        0
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.53   09/09 TO 09/09

DEGREE_DAYS
HEATING TOTAL     186               234     -48      144
COOLING TOTAL       1                 2      -1       31
 SINCE 1/1        147                42     105       97
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.2
HIGHEST WIND SPEED/DIRECTION    24/150    DATE  09/30
HIGHEST GUST SPEED/DIRECTION    37/150    DATE  09/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  3
  0
  0
  0
  0
  4
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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