Climatological Report (Monthly)
Issued by NWS Portland, OR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
083
CXUS56 KPQR 011533
CLMPDX

CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
833 AM PDT TUE JUN 01 2021

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

...THE PORTLAND OR CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           88                                  91  05/28
LOWEST            41                                  38  05/04
AVG. MAXIMUM    70.5               69.3     1.2     69.7
AVG. MINIMUM    49.6               49.4     0.2     51.0
MEAN            60.1               59.4     0.7     60.4
DAYS MAX >= 90     0                0.4    -0.4        1
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        5.55   1998
 MINIMUM        0.10   1992
TOTALS          0.58               2.51   -1.93     2.21
DAYS >= .01        6               13.0    -7.0       17
DAYS >= .10        2                7.3    -5.3        9
DAYS >= .50        0                1.3    -1.3        0
DAYS >= 1.00       0                0.2    -0.2        0
GREATEST
 24 HR. TOTAL   0.22   05/24 TO 05/24

SNOWFALL (INCHES)
TOTALS           0.0
SINCE 7/1       10.1

DEGREE DAYS
HEATING TOTAL    167                196     -29      174
 SINCE 7/1      3783               4022    -239     3946
COOLING TOTAL     21                 21       0       39
 SINCE 1/1        21                 23      -2       39
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
RESULTANT WIND SPEED/DIRECTION   4/300
HIGHEST WIND SPEED/DIRECTION    26/230    DATE  05/27
HIGHEST GUST SPEED/DIRECTION    38/250    DATE  05/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.59
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.