Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
027
CXUS56 KPQR 011548
CLMPDX
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
848 AM PDT SUN JUN 01 2025
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...THE PORTLAND OR CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
HIGHEST 86 91 05/10
LOWEST 40 41 05/08
AVG. MAXIMUM 70.5 69.3 1.2 69.2
AVG. MINIMUM 49.8 49.4 0.4 49.4
MEAN 60.1 59.4 0.7 59.3
DAYS MAX >= 90 0 0.4 -0.4 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 5.55 1998
MINIMUM 0.10 1992
TOTALS 1.92 2.51 -0.59 2.44
DAYS >= .01 10 13.2 -3.2 11
DAYS >= .10 4 7.3 -3.3 6
DAYS >= .50 1 1.3 -0.3 1
DAYS >= 1.00 1 0.2 0.8 0
GREATEST
24 HR. TOTAL 1.28 05/16 TO 05/17
SNOWFALL (INCHES)
TOTALS 0.0
SINCE 7/1 3.0
DEGREE DAYS
HEATING TOTAL 160 196 -36 192
SINCE 7/1 3540 4022 -482 MM
COOLING TOTAL 14 21 -7 23
SINCE 1/1 18 23 -5 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.5
RESULTANT WIND SPEED/DIRECTION 3/300
HIGHEST WIND SPEED/DIRECTION 24/300 DATE 05/12
HIGHEST GUST SPEED/DIRECTION 32/300 DATE 05/12
32/310 05/31
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.58
NUMBER OF DAYS FAIR 7
NUMBER OF DAYS PC 13
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 13 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 8
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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