597
CXUS56 KSEW 011043
CLMBLI

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
343 AM PDT MON JUN 01 2026

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

...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             90   05/28/1983
 LOW              30   05/07/1962
                       05/04/1949
HIGHEST           77   05/12         MM      MM       78  05/28
LOWEST            43   05/16         MM      MM       35  05/05
                       05/17
AVG. MAXIMUM    65.3               63.9     1.4     63.4
AVG. MINIMUM    48.6               47.0     1.6     45.2
MEAN            56.9               55.5     1.4     54.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.1    -0.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.93   1984
 MINIMUM        0.17   2018
TOTALS          1.55               2.23   -0.68     1.69
DAILY AVG.      0.05               0.07   -0.02     0.05
DAYS >= .01        7               12.3    -5.3       13
DAYS >= .10        5                6.2    -1.2        7
DAYS >= .50        1                1.0     0.0        0
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.90   05/14 TO 05/15


DEGREE DAYS
HEATING TOTAL    241                297     -56      324
 SINCE 7/1      4578               4944    -366       MM
COOLING TOTAL      0                  1      -1        0
 SINCE 1/1         0                  1      -1       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
HIGHEST WIND SPEED/DIRECTION    22/170    DATE  05/25
HIGHEST GUST SPEED/DIRECTION    36/190    DATE  05/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.37
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$