435
CXUS56 KPQR 011255
CLMPDX
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
455 AM PST SUN JAN 01 2023
...............................
..THE PORTLAND OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2022
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2022
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
HIGHEST 55 63 12/01
LOWEST 20 26 12/27
AVG. MAXIMUM 43.8 46.9 -3.1 45.8
AVG. MINIMUM 34.1 36.2 -2.1 36.5
MEAN 39.0 41.6 -2.6 41.1
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 2 0.6 1.4 0
DAYS MIN <= 32 10 8.4 1.6 6
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 15.24 2015
MINIMUM 1.38 1976
TOTALS 7.76 5.77 1.99 7.10
DAYS >= .01 16 19.2 -3.2 23
DAYS >= .10 13 13.0 0.0 16
DAYS >= .50 7 3.8 3.2 4
DAYS >= 1.00 2 0.9 1.1 1
GREATEST
24 HR. TOTAL 2.74 12/26 TO 12/27
SNOWFALL (INCHES)
TOTALS 0.2
SINCE 7/1 0.2
DEGREE DAYS
HEATING TOTAL 798 727 71 730
SINCE 7/1 1582 1638 -56 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 865 508 357 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.6
RESULTANT WIND SPEED/DIRECTION 6/130
HIGHEST WIND SPEED/DIRECTION 38/100 DATE 12/22
HIGHEST GUST SPEED/DIRECTION 48/100 DATE 12/22
48/170 12/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.81
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 23
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 9
LIGHT RAIN 20 FREEZING RAIN 2
LT FREEZING RAIN 3 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 3 SLEET 1
FOG 21 FOG W/VIS <= 1/4 MILE 4
HAZE 10
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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