194
CXUS56 KPQR 011442
CLMHIO

CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
742 AM PDT THU OCT 01 2026

...................................

...THE HILLSBORO OR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1929 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           89                                  91  09/02
LOWEST            39                                  42  09/26
AVG. MAXIMUM    72.4               76.4    -4.0     78.7
AVG. MINIMUM    49.3               47.5     1.8     52.1
MEAN            60.9               62.0    -1.1     65.4
DAYS MAX >= 90     0                2.3    -2.3        3
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.1    -0.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.27   2013
 MINIMUM        0.00   1975
TOTALS          0.83               1.38   -0.55     1.36
DAYS >= .01        8                7.6     0.4        6
DAYS >= .10        5                3.3     1.7        5
DAYS >= .50        0                0.6    -0.6        1
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.24   09/02 TO 09/03


DEGREE DAYS
HEATING TOTAL    125                124       1       48
 SINCE 7/1       155                196     -41       MM
COOLING TOTAL     10                 33     -23       64
 SINCE 1/1       266                274      -8       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.3
RESULTANT WIND SPEED/DIRECTION   1/250
HIGHEST WIND SPEED/DIRECTION    24/180    DATE  09/25
HIGHEST GUST SPEED/DIRECTION    41/160    DATE  09/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      2
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$