Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
418
CXUS56 KPQR 011624
CLMHIO
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
924 AM PDT MON SEP 01 2025
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...THE HILLSBORO OR CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1929 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
HIGHEST 101 100 08/01
LOWEST 47 45 08/28
AVG. MAXIMUM 85.2 82.4 2.8 82.5
AVG. MINIMUM 57.4 51.8 5.6 53.9
MEAN 71.3 67.1 4.2 68.2
DAYS MAX >= 90 10 6.1 3.9 8
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 3.84 1968
MINIMUM 0.00 1998
TOTALS 0.42 0.48 -0.06 1.02
DAYS >= .01 4 3.5 0.5 3
DAYS >= .10 2 1.3 0.7 3
DAYS >= .50 0 0.2 -0.2 1
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.19 08/06 TO 08/06
DEGREE DAYS
HEATING TOTAL 2 36 -34 23
SINCE 7/1 12 74 -62 MM
COOLING TOTAL 205 101 104 129
SINCE 1/1 419 241 178 MM
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WIND (MPH)
AVERAGE WIND SPEED 4.8
RESULTANT WIND SPEED/DIRECTION 2/320
HIGHEST WIND SPEED/DIRECTION 18/310 DATE 08/12
18/330 08/13
18/310 08/19
HIGHEST GUST SPEED/DIRECTION 26/310 DATE 08/19
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.26
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 4 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 11
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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