Climatological Report (Monthly)
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
000
CXUS56 KSEW 011031
CLMBLI

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
331 AM PDT TUE JUN 01 2021

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

...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2021

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           76   05/31         MM      MM       82  05/09
LOWEST            36   05/20         MM      MM       37  05/04
AVG. MAXIMUM    63.5               63.9    -0.4     66.1
AVG. MINIMUM    46.6               47.0    -0.4     47.7
MEAN            55.1               55.5    -0.4     56.9
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          1.53               2.23   -0.70     3.08
DAILY AVG.      0.05               0.07   -0.02     0.10
DAYS >= .01       13               12.3     0.7       13
DAYS >= .10        6                6.2    -0.2        7
DAYS >= .50        0                1.0    -1.0        2
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.31   05/19 TO 05/19
                       05/18 TO 05/19
                       05/19 TO 05/19


DEGREE DAYS
HEATING TOTAL    300                297       3      244
 SINCE 7/1      4697               4944    -247     4762
COOLING TOTAL      0                  1      -1        0
 SINCE 1/1         0                  1      -1        0
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.5
HIGHEST WIND SPEED/DIRECTION    24/180    DATE  05/27
HIGHEST GUST SPEED/DIRECTION    44/180    DATE  05/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.44
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.