Climatological Report (Monthly)
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816
CXUS56 KSEW 011039
CLMBLI

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
339 AM PDT MON SEP 01 2025

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

...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            100   08/12/2021
 LOW              38   08/29/1969
HIGHEST           89   08/11         MM      MM       80  08/02
                                                          08/08
                                                          08/09
LOWEST            46   08/21         MM      MM       45  08/29
AVG. MAXIMUM    74.3               73.1     1.2     71.5
AVG. MINIMUM    56.0               54.7     1.3     54.5
MEAN            65.1               63.9     1.2     63.0
DAYS MAX >= 90     0                0.1    -0.1        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        4.77   1962
 MINIMUM        0.00   1986
TOTALS          1.67               1.13    0.54     2.61
DAILY AVG.      0.05               0.04    0.01     0.08
DAYS >= .01        5                6.2    -1.2        6
DAYS >= .10        3                2.8     0.2        5
DAYS >= .50        1                0.9     0.1        3
DAYS >= 1.00       1                0.1     0.9        1
GREATEST
 24 HR. TOTAL   1.16   08/14 TO 08/15


DEGREE DAYS
HEATING TOTAL     28                 65     -37       77
 SINCE 7/1        89                132     -43       MM
COOLING TOTAL     43                 31      12       22
 SINCE 1/1        87                 71      16       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.2
HIGHEST WIND SPEED/DIRECTION    23/170    DATE  08/15
HIGHEST GUST SPEED/DIRECTION    34/160    DATE  08/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.27
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

$$