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

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000
CXUS56 KSEW 011033
CLMSEW

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
333 AM PDT SAT OCT 01 2022

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

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2022...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2022

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             93   09/03/1988
 LOW              40   09/30/2019
HIGHEST           88   09/10         MM      MM       82  09/09
LOWEST            48   09/19         MM      MM       45  09/16
AVG. MAXIMUM    75.2               71.3     3.9     71.6
AVG. MINIMUM    55.6               53.2     2.4     53.5
MEAN            65.4               62.3     3.1     62.5
DAYS MAX >= 90     0                0.1    -0.1        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        5.01   2013
 MINIMUM        0.02   1991
TOTALS          0.13               1.74   -1.61     2.97
DAILY AVG.      0.00               0.06   -0.06     0.10
DAYS >= .01        3                8.8    -5.8        9
DAYS >= .10        0                4.6    -4.6        7
DAYS >= .50        0                1.0    -1.0        3
DAYS >= 1.00       0                0.1    -0.1        0

DEGREE DAYS
HEATING TOTAL     24                106     -82       88
 SINCE 7/1        43                162    -119       MM
COOLING TOTAL     45                 24      21       21
 SINCE 1/1       395                210     185       MM
................................................................


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       0     FOG W/VIS <= 1/4 MILE      0
HAZE                      7

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

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