Climatological Report (Monthly) Issued by NWS Portland, OR
000
CXUS56 KPQR 011536
CLMPDX
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
836 AM PDT SUN OCT 01 2023
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...THE PORTLAND OR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
HIGHEST 95 93 09/06
LOWEST 47 50 09/23
AVG. MAXIMUM 76.1 76.7 -0.6 80.9
AVG. MINIMUM 56.7 54.1 2.6 58.1
MEAN 66.4 65.4 1.0 69.5
DAYS MAX >= 90 3 2.1 0.9 3
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 5.62 2013
MINIMUM T 1993
TOTALS 1.25 1.52 -0.27 0.31
DAYS >= .01 8 6.7 1.3 4
DAYS >= .10 3 3.5 -0.5 2
DAYS >= .50 0 0.8 -0.8 0
DAYS >= 1.00 0 0.3 -0.3 0
GREATEST
24 HR. TOTAL 0.52 09/24 TO 09/25
SNOWFALL (INCHES)
TOTALS 0.0
SINCE 7/1 0.0
DEGREE DAYS
HEATING TOTAL 44 61 -17 6
SINCE 7/1 45 78 -33 MM
COOLING TOTAL 91 73 18 145
SINCE 1/1 882 504 378 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.6
RESULTANT WIND SPEED/DIRECTION 2/300
HIGHEST WIND SPEED/DIRECTION 24/210 DATE 09/26
HIGHEST GUST SPEED/DIRECTION 30/170 DATE 09/26
30/230 09/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.52
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 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.
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