Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
445
CXUS56 KPQR 011619
CLMTTD
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
819 AM PST WED JAN 01 2025
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...THE TROUTDALE OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
HIGHEST 58 69 12/04
LOWEST 33 32 12/23
AVG. MAXIMUM 49.3 46.0 3.3 51.1
AVG. MINIMUM 40.9 37.2 3.7 43.1
MEAN 45.1 41.6 3.5 47.1
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 1.0 -1.0 0
DAYS MIN <= 32 0 6.5 -6.5 1
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.00 2023
MINIMUM 4.95 2020
TOTALS 7.71 6.15 1.56 9.00
DAYS >= .01 20 18.5 1.5 22
DAYS >= .10 20 12.9 7.1 11
DAYS >= .50 5 3.8 1.2 9
DAYS >= 1.00 2 0.7 1.3 4
GREATEST
24 HR. TOTAL 1.38 12/25 TO 12/26
DEGREE DAYS
HEATING TOTAL 608 725 -117 549
SINCE 7/1 1388 1669 -281 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 703 427 MM
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WIND (MPH)
AVERAGE WIND SPEED 13.9
RESULTANT WIND SPEED/DIRECTION 12/090
HIGHEST WIND SPEED/DIRECTION 35/080 DATE 12/10
35/090 12/21
HIGHEST GUST SPEED/DIRECTION 51/080 DATE 12/21
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.62
NUMBER OF DAYS FAIR 8
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 17
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 7
LIGHT RAIN 21 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 4
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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