Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
643
CXUS56 KPQR 011455
CLMPDX
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
755 AM PDT MON JUN 01 2026
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...THE PORTLAND OR CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
HIGHEST 91 86 05/30
LOWEST 41 40 05/04
AVG. MAXIMUM 72.4 69.3 3.1 70.5
AVG. MINIMUM 50.9 49.4 1.5 49.8
MEAN 61.6 59.4 2.2 60.1
DAYS MAX >= 90 1 0.4 0.6 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 5.55 1998
MINIMUM 0.10 1992
TOTALS 0.65 2.51 -1.86 1.92
DAYS >= .01 7 13.2 -6.2 10
DAYS >= .10 4 7.3 -3.3 4
DAYS >= .50 0 1.3 -1.3 1
DAYS >= 1.00 0 0.2 -0.2 1
GREATEST
24 HR. TOTAL 0.19 05/25 TO 05/26
SNOWFALL (INCHES)
TOTALS 0.0
SINCE 7/1 0.0
DEGREE DAYS
HEATING TOTAL 122 196 -74 160
SINCE 7/1 3475 4022 -547 MM
COOLING TOTAL 27 21 6 14
SINCE 1/1 27 23 4 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.0
RESULTANT WIND SPEED/DIRECTION 4/300
HIGHEST WIND SPEED/DIRECTION 24/260 DATE 05/13
24/250 05/25
HIGHEST GUST SPEED/DIRECTION 36/330 DATE 05/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.57
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 16
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 0
HAZE 11
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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