551
CXUS56 KSEW 011035
CLMSEW

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
335 AM PDT SAT JUN 01 2024

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

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF MAY 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             90   05/17/2008
 LOW              35   05/07/2002
                       05/06/2002
HIGHEST           86   05/11         MM      MM       85  05/15
LOWEST            38   05/01         MM      MM       43  05/10
AVG. MAXIMUM    64.6               65.3    -0.7     69.4
AVG. MINIMUM    46.9               48.3    -1.4     51.4
MEAN            55.8               56.8    -1.0     60.4
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        4.21   2020
 MINIMUM        0.30   2018
TOTALS          2.95               2.16    0.79     0.88
DAILY AVG.      0.10               0.07    0.03     0.03
DAYS >= .01       15               12.2     2.8        6
DAYS >= .10        8                6.4     1.6        1
DAYS >= .50        2                0.9     1.1        1
DAYS >= 1.00       0                0.1    -0.1        0

DEGREE DAYS
HEATING TOTAL    282                258      24      156
 SINCE 7/1      4000               4356    -356       MM
COOLING TOTAL      4                  4       0       21
 SINCE 1/1         4                  4       0       MM
................................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     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.

$$