Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
103
CDUS46 KSEW 180827
CLIBLI

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT FRI SEP 18 2026

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

...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2026...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         71    345 PM  81    1991  68      3       72
  MINIMUM         44    612 AM  37    1971  49     -5       52
  AVERAGE         58                        59     -1       62

PRECIPITATION (IN)
  YESTERDAY        0.00          1.45 2021   0.07  -0.07     0.00
  MONTH TO DATE    0.53                      1.03  -0.50     0.10
  SINCE OCT 1     38.34                     33.73   4.61    31.43
  SINCE JAN 1     20.29                     20.35  -0.06    16.88

DEGREE DAYS
 HEATING
  YESTERDAY        7                         6      1        3
  MONTH TO DATE   91                        83      8       36
  SINCE SEP 1     91                        83      8       36
  SINCE JUL 1    207                       215     -8      125

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    1                         0      1        5
  SINCE SEP 1      1                         0      1        5
  SINCE JAN 1     59                        71    -12       92
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     2.1


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     53           300 PM
 AVERAGE    77

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


THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        78      1991
 MINIMUM TEMPERATURE (F)   49        37      1972


SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE   651 AM PDT   SUNSET   716 PM PDT
SEPTEMBER 19 2026.....SUNRISE   653 AM PDT   SUNSET   714 PM PDT


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




$$