Climatological Report (Monthly)
Issued by NWS Portland, OR

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CXUS56 KPQR 011546
CLMPDX

CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
746 AM PST MON JAN 01 2024

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

...THE PORTLAND OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           67R                                 55  12/27
                                                          12/30
LOWEST            30                                  20  12/22
                                                          12/23
AVG. MAXIMUM    51.6               46.9     4.7     43.8
AVG. MINIMUM    41.0               36.2     4.8     34.1
MEAN            46.3               41.6     4.7     39.0
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.6    -0.6        2
DAYS MIN <= 32     3                8.4    -5.4       10
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       15.24   2015
 MINIMUM        1.38   1976
TOTALS          8.73               5.77    2.96     7.76
DAYS >= .01       20               19.2     0.8       16
DAYS >= .10       13               13.0     0.0       13
DAYS >= .50        7                3.8     3.2        7
DAYS >= 1.00       2                0.9     1.1        2
GREATEST
 24 HR. TOTAL   2.14   12/05 TO 12/06

SNOWFALL (INCHES)
TOTALS           0.0
SINCE 7/1        0.0

DEGREE DAYS
HEATING TOTAL    555                727    -172      798
 SINCE 7/1      1341               1638    -297       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       898                508     390       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
RESULTANT WIND SPEED/DIRECTION   6/130
HIGHEST WIND SPEED/DIRECTION    30/100    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    38/200    DATE  12/02
                                38/100          12/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.81
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         22

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       9
LIGHT RAIN               22     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      22     FOG W/VIS <= 1/4 MILE      6
HAZE                      3

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

$$
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