Explanation of the Preliminary Monthly Climate Data (F6) Product

These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.

WFO Monthly/Daily Climate Data


000
CXUS56 KPQR 141155
CF6PDX
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   PORTLAND OR
                                          MONTH:     APRIL
                                          YEAR:      2021
                                          LATITUDE:   45 35 N
                                          LONGITUDE: 122 36 W

  TEMPERATURE IN F:       :PCPN:    SNOW:  WIND      :SUNSHINE: SKY     :PK WND
================================================================================
1   2   3   4   5  6A  6B    7    8   9   10  11  12  13   14  15   16   17  18
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  68  46  57   7   8   0 0.00  0.0    0  6.9 16 320   M    M   6        22 320
 2  65  40  53   3  12   0 0.00  0.0    0  3.9 10 310   M    M   6        12 310
 3  70  42  56   6   9   0 0.00  0.0    0  4.6 14 330   M    M   7        19 320
 4  59  42  51   0  14   0 0.00  0.0    0  9.9 22 310   M    M   6        28 300
 5  62  36  49  -2  16   0 0.00  0.0    0  5.8 14 270   M    M   1        18 320
 6  65  38  52   1  13   0 0.00  0.0    0  4.6 12 280   M    M   0        14 280
 7  52  42  47  -4  18   0    T  0.0    0  7.0 16 200   M    M   8        21 210
 8  57  41  49  -2  16   0 0.04  0.0    0  7.6 17 270   M    M   7        23 280
 9  60  35  48  -3  17   0    T  0.0    0  6.3 20 260   M    M   4        24 210
10  53  40  47  -4  18   0 0.05  0.0    0 10.4 25 310   M    M   6        33 320
11  60  32  46  -5  19   0 0.00  0.0    0  6.6 18 320   M    M   1        23 310
12  66  36  51  -1  14   0 0.00  0.0    0 11.0 26  70   M    M   2        34  80
13  67  38  53   1  12   0 0.00  0.0    0 10.5 25 120   M    M   1        30 110
================================================================================
SM  804  508       186   0  0.09  0.0     95.1          M       55
================================================================================
AV 61.8 39.1                               7.3 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    26  70                 34  80
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   PORTLAND OR
                                          MONTH:     APRIL
                                          YEAR:      2021
                                          LATITUDE:   45 35 N
                                          LONGITUDE: 122 36 W

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 50.5   TOTAL FOR MONTH:   0.09    1 = FOG OR MIST
DPTR FM NORMAL:  -0.5   DPTR FM NORMAL:   -1.18    2 = FOG REDUCING VISIBILITY
HIGHEST:    70 ON  3    GRTST 24HR  0.05 ON 10-10      TO 1/4 MILE OR LESS
LOWEST:     32 ON 11                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR  0.0            6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  0            7 = DUSTSTORM OR SANDSTORM:
                                                       VSBY 1/2 MILE OR LESS
                                                   8 = SMOKE OR HAZE
[NO. OF DAYS WITH]      [WEATHER - DAYS WITH]      9 = BLOWING SNOW
                                                   X = TORNADO
MAX 32 OR BELOW:   0    0.01 INCH OR MORE:   2
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   186    CLEAR  (SCALE 0-3)   5
DPTR FM NORMAL     4    PTCLDY (SCALE 4-7)   8
TOTAL FM JUL 1  3512    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL  -250

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.95 ON  1

[REMARKS]