Climatological Report (Monthly)
Issued by NWS Portland, OR

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682
CXUS56 KPQR 011540
CLMTTD

CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
840 AM PDT WED OCT 01 2025

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

...THE TROUTDALE OR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           90                                  98  09/05
LOWEST            45                                  42  09/30
AVG. MAXIMUM    78.2               76.4     1.8     78.5
AVG. MINIMUM    54.7               52.4     2.3     55.5
MEAN            66.4               64.4     2.0     67.0
DAYS MAX >= 90     1                1.9    -0.9        4
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        3.52   2021
 MINIMUM        0.39   2022
TOTALS          1.00               1.75   -0.75     2.20
DAYS >= .01        5                7.0    -2.0        6
DAYS >= .10        2                4.0    -2.0        4
DAYS >= .50        0                1.0    -1.0        2
DAYS >= 1.00       0                0.4    -0.4        1
GREATEST
 24 HR. TOTAL   0.49   09/14 TO 09/14


DEGREE DAYS
HEATING TOTAL     33                 75     -42       38
 SINCE 7/1        44                100     -56       MM
COOLING TOTAL     85                 57      28      105
 SINCE 1/1       558                423               MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.3
RESULTANT WIND SPEED/DIRECTION   1/110
HIGHEST WIND SPEED/DIRECTION    25/100    DATE  09/16
                                25/090          09/23
HIGHEST GUST SPEED/DIRECTION    37/110    DATE  09/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.29
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$