Climatological Report (Monthly)
Issued by NWS Seattle/Tacoma, WA

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000
CXUS56 KSEW 011039
CLMSEW

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
339 AM PDT SAT APR 01 2023

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

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF MARCH 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             78   03/20/2019
                       03/29/2004
 LOW              27   03/10/2009
HIGHEST           67   03/18         MM      MM       65  03/22
LOWEST            31   03/05         MM      MM       28  03/10
AVG. MAXIMUM    53.2               53.9    -0.7     53.9
AVG. MINIMUM    37.0               39.2    -2.2     40.7
MEAN            45.1               46.6    -1.5     47.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     3                2.0     1.0        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.42   2014
 MINIMUM        1.60   2019
TOTALS          2.93               3.86   -0.93     3.15
DAILY AVG.      0.09               0.12   -0.03     0.10
DAYS >= .01       18               18.0     0.0       19
DAYS >= .10       10               10.7    -0.7       12
DAYS >= .50        1                1.9    -0.9        0
DAYS >= 1.00       0                0.4    -0.4        0

SNOWFALL (INCHES)
TOTALS           0.0                                 0.0
SINCE 7/1        2.6                                  MM
SNOWDEPTH AVG.     0                                   0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL    609                572      37      539
 SINCE 7/1      3618               3674     -56       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
................................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

$$


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