Climatological Report (Daily)
Issued by NWS Portland, OR

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440
CDUS46 KPQR 181145
CLIPDX

CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
445 AM PDT MON AUG 18 2025

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

...THE PORTLAND OR CLIMATE SUMMARY FOR AUGUST 17 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         79    209 PM 105    1977  82     -3       84
  MINIMUM         64    637 AM  45    1970  59      5       60
  AVERAGE         72                        71      1       72

PRECIPITATION (IN)
  YESTERDAY        0.00          0.90 1948   0.02  -0.02     0.30
  MONTH TO DATE    0.58                      0.23   0.35     0.30
  SINCE OCT 1     33.98                     35.09  -1.11    38.86
  SINCE JAN 1     17.72                     20.45  -2.73    22.37

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2022
  MONTH TO DATE    0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     58                        90    -32       45
  SINCE JUL 1      2                        10     -8        0

 COOLING
  YESTERDAY        7                         6      1        7
  MONTH TO DATE  129                       111     18      152
  SINCE JUN 1    426                       338     88      537
  SINCE JAN 1    444                       361     83      560
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           200 AM
 LOWEST     40           500 PM
 AVERAGE    59

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


THE PORTLAND OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      2016
 MINIMUM TEMPERATURE (F)   59        45      1973


SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE   615 AM PDT   SUNSET   812 PM PDT
AUGUST 19 2025........SUNRISE   616 AM PDT   SUNSET   811 PM PDT


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




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