Climatological Report (Monthly) Issued by NWS Portland, OR
000
CXUS56 KPQR 011630
CLMHIO
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
830 AM PST MON JAN 01 2024
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...THE HILLSBORO OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1929 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 63 57 12/26
LOWEST 26 19 12/17
AVG. MAXIMUM 50.0 46.2 3.8 44.4
AVG. MINIMUM 37.7 33.3 4.4 31.8
MEAN 43.9 39.8 4.1 38.1
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 1.0 -1.0 2
DAYS MIN <= 32 8 13.7 -5.7 14
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.60 2015
MINIMUM 1.08 2013
TOTALS 7.68 6.05 1.63 7.45
DAYS >= .01 20 19.9 0.1 19
DAYS >= .10 13 12.8 0.2 10
DAYS >= .50 8 3.9 4.1 6
DAYS >= 1.00 1 0.9 0.1 1
GREATEST
24 HR. TOTAL 1.63 12/05 TO 12/06
DEGREE DAYS
HEATING TOTAL 649 783 -134 826
SINCE 7/1 1705 1992 -287 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 516 275 241 MM
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WIND (MPH)
AVERAGE WIND SPEED 4.0
RESULTANT WIND SPEED/DIRECTION 1/170
HIGHEST WIND SPEED/DIRECTION 22/170 DATE 12/02
HIGHEST GUST SPEED/DIRECTION 30/190 DATE 12/02
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.75
AVERAGE RH (PERCENT) 88
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 10
LIGHT RAIN 21 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 30 FOG W/VIS <= 1/4 MILE 17
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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