Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
514
CXUS56 KPQR 011619
CLMHIO
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
819 AM PST WED JAN 01 2025
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...THE HILLSBORO OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1929 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 63 12/04
LOWEST 23 26 12/17
AVG. MAXIMUM 49.4 46.2 3.2 50.0
AVG. MINIMUM 35.6 33.3 2.3 37.7
MEAN 42.5 39.8 2.7 43.9
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 1.0 -1.0 0
DAYS MIN <= 32 9 13.7 -4.7 8
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.60 2015
MINIMUM 1.08 2013
TOTALS 6.40 6.05 0.35 7.68
DAYS >= .01 23 19.9 3.1 20
DAYS >= .10 19 12.8 6.2 13
DAYS >= .50 3 3.9 -0.9 8
DAYS >= 1.00 0 0.9 -0.9 1
GREATEST
24 HR. TOTAL 1.25 12/25 TO 12/26
DEGREE DAYS
HEATING TOTAL 689 783 -94 649
SINCE 7/1 1757 1992 -235 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 427 275 152 MM
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WIND (MPH)
AVERAGE WIND SPEED 4.3
RESULTANT WIND SPEED/DIRECTION 2/170
HIGHEST WIND SPEED/DIRECTION 33/170 DATE 12/25
HIGHEST GUST SPEED/DIRECTION 48/180 DATE 12/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.69
AVERAGE RH (PERCENT) 86
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 11
LIGHT RAIN 21 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 28 FOG W/VIS <= 1/4 MILE 12
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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