Climatological Report (Monthly)
Issued by NWS Portland, OR

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096
CXUS56 KPQR 011442
CLMSPB

CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
742 AM PDT THU OCT 01 2026

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

...THE SCAPPOOSE OR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           87                                  91  09/02
                                                          09/16
LOWEST            40                                  43  09/15
                                                          09/26
AVG. MAXIMUM    71.6               76.3    -4.7     78.4
AVG. MINIMUM    50.3               49.8     0.5     53.4
MEAN            61.0               63.0    -2.0     65.9
DAYS MAX >= 90     0                2.2    -2.2        2
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        3.25   2021
 MINIMUM        0.24   2022
TOTALS          0.99               1.56   -0.57     0.83
DAYS >= .01        7                8.3    -1.3        6
DAYS >= .10        3                4.0    -1.0        4
DAYS >= .50        0                0.7    -0.7        0
DAYS >= 1.00       0                0.2    -0.2        0
GREATEST
 24 HR. TOTAL   0.42   09/02 TO 09/03


DEGREE DAYS
HEATING TOTAL    125                103      22       42
 SINCE 7/1       156                160      -4       MM
COOLING TOTAL     10                 45     -35       75
 SINCE 1/1       353                332      21       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.1
RESULTANT WIND SPEED/DIRECTION   1/350
HIGHEST WIND SPEED/DIRECTION    17/270    DATE  09/25
HIGHEST GUST SPEED/DIRECTION    31/170    DATE  09/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.41

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      8

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

$$