National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS55 KSEW 011030
CF6SEW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE WA WFO
                                          MONTH:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   47 41 N
                                          LONGITUDE: 122 15 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  52  45  49   8  16   0 0.30  0.0    0    M  M   M   M    M   M 1       M   M
 2  49  39  44   3  21   0 1.21  0.0    0    M  M   M   M    M   M 1       M   M
 3  49  38  44   3  21   0 0.24  0.0    0    M  M   M   M    M   M         M   M
 4  49  44  47   6  18   0 0.64  0.0    0    M  M   M   M    M   M         M   M
 5  49  43  46   5  19   0 0.76  0.0    0    M  M   M   M    M   M 1       M   M
 6  53  38  46   5  19   0 0.16  0.0    0    M  M   M   M    M   M         M   M
 7  52  37  45   4  20   0 0.00  0.0    0    M  M   M   M    M   M 1       M   M
 8  52  38  45   3  20   0 0.13  0.0    0    M  M   M   M    M   M         M   M
 9  44  33  39  -3  26   0 0.00  0.0    0    M  M   M   M    M   M         M   M
10  49  41  45   3  20   0 0.10  0.0    0    M  M   M   M    M   M         M   M
11  49  42  46   4  19   0 0.91  0.0    0    M  M   M   M    M   M         M   M
12  56  46  51   9  14   0 1.50  0.0    0    M  M   M   M    M   M 1       M   M
13  56  38  47   5  18   0 0.23  0.0    0    M  M   M   M    M   M         M   M
14  51  40  46   4  19   0 0.09  0.0    0    M  M   M   M    M   M         M   M
15  55  40  48   6  17   0 0.11  0.0    0    M  M   M   M    M   M         M   M
16  46  38  42   0  23   0 0.01  0.0    0    M  M   M   M    M   M 1       M   M
17  50  43  47   5  18   0 0.02  0.0    0    M  M   M   M    M   M         M   M
18  50  36  43   1  22   0 0.00  0.0    0    M  M   M   M    M   M 1       M   M
19  43  35  39  -4  26   0 0.00  0.0    0    M  M   M   M    M   M 12      M   M
20  46  35  41  -2  24   0 0.00  0.0    0    M  M   M   M    M   M         M   M
21  47  41  44   1  21   0 0.02  0.0    0    M  M   M   M    M   M         M   M
22  46  30  38  -5  27   0 0.00  0.0    0    M  M   M   M    M   M         M   M
23  44  28  36  -7  29   0 0.00  0.0    0    M  M   M   M    M   M 1       M   M
24  42  38  40  -3  25   0 0.23  0.0    0    M  M   M   M    M   M 1       M   M
25  47  38  43   0  22   0    T  0.0    0    M  M   M   M    M   M         M   M
26  45  34  40  -3  25   0    T  0.0    0    M  M   M   M    M   M         M   M
27  47  38  43   0  22   0 0.14  0.0    0    M  M   M   M    M   M         M   M
28  46  37  42  -1  23   0 0.26  0.0    0    M  M   M   M    M   M         M   M
29  49  41  45   2  20   0 0.03  0.0    0    M  M   M   M    M   M         M   M
30  48  42  45   2  20   0 0.25  0.0    0    M  M   M   M    M   M         M   M
31  47  43  45   2  20   0 0.27  0.0    0    M  M   M   M    M   M 1       M   M
================================================================================
SM 1508 1199       654   0  7.61  0.0        M          M        M
================================================================================
AV 48.6 38.7                                 M FASTST   M    M   M    MAX(MPH)
                                 MISC ---->     M   M                  M   M
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   SEATTLE WA WFO
                                          MONTH:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   47 41 N
                                          LONGITUDE: 122 15 W

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

AVERAGE MONTHLY: 43.7   TOTAL FOR MONTH:   7.61    1 = FOG OR MIST
DPTR FM NORMAL:   1.6   DPTR FM NORMAL:    2.80    2 = FOG REDUCING VISIBILITY
HIGHEST:    56 ON 13,12  GRTST 24HR  3.04 ON 12-12      TO 1/4 MILE OR LESS
LOWEST:     28 ON 23                               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:  22
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  17
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   5
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   654    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL   -56    PTCLDY (SCALE 4-7)   0
TOTAL FM JUL 1  2262    CLOUDY (SCALE 8-10) 31
DPTR FM NORMAL  -300

[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 M ON M

[REMARKS]
#FINAL-01-21#