Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
565
CXUS56 KPQR 011455
CLMSPB
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
755 AM PDT MON JUN 01 2026
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...THE SCAPPOOSE OR CLIMATE SUMMARY FOR THE MONTH OF MAY 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
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TEMPERATURE (F)
HIGHEST 89 85 05/30
LOWEST 36 35 05/04
05/08
AVG. MAXIMUM 71.1 68.2 2.9 68.8
AVG. MINIMUM 46.8 46.2 0.6 44.9
MEAN 58.9 57.2 1.7 56.9
DAYS MAX >= 90 0 0.5 -0.5 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.3 -0.3 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.23 2022
MINIMUM 0.80 2023
TOTALS 0.48R 2.49 -2.01 0.91
DAYS >= .01 5 12.8 -7.8 7
DAYS >= .10 2 7.1 -5.1 3
DAYS >= .50 0 0.8 -0.8 0
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.24 05/25 TO 05/26
DEGREE DAYS
HEATING TOTAL 191 253 -62 246
SINCE 7/1 3990 4559 -569 MM
COOLING TOTAL 9 11 -2 2
SINCE 1/1 9 12 -3 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.4
RESULTANT WIND SPEED/DIRECTION 3/350
HIGHEST WIND SPEED/DIRECTION 21/220 DATE 05/13
HIGHEST GUST SPEED/DIRECTION 31/310 DATE 05/12
31/330 05/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.32
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 3
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 10 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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