WFO Monthly/Daily Climate Data
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CXUS56 KEKA 011330
CF6ACV
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ARCATA CA
                                          MONTH:     DECEMBER
                                          YEAR:      2021
                                          LATITUDE:   40 58 N
                                          LONGITUDE: 124  6 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  63  42  53   4  12   0 0.00    M    M  2.2  9  90   M    M   1 28     10 170
 2  51  48  50   1  15   0 0.00    M    M  2.5  7 140   M    M  10 2       9 160
 3  50  41  46  -2  19   0 0.00    M    M  2.5  8 160   M    M  10 2      10 150
 4  51  45  48   0  17   0 0.00    M    M  2.4 10 350   M    M  10 1      13 340
 5  52  42  47  -1  18   0 0.00    M    M  2.1  9 310   M    M   8 1      13 310
 6  51  45  48   0  17   0 0.32    M    M  4.3 13 150   M    M  10 1      15 150
 7  57  43  50   2  15   0    T    M    M  3.5 15 270   M    M   7 2      20 320
 8  53  47  50   2  15   0 0.03    M    M  5.8 14 340   M    M   8 1      19 330
 9  52  37  45  -3  20   0 0.00    M    M  5.5 18 330   M    M   3 1      25 330
10  50  31  41  -7  24   0 0.00    M    M  4.3 13 300   M    M   0 18     16 300
11  51  42  47  -1  18   0 0.57    M    M 12.9 23 120   M    M   8 1      36 120
12  51  46  49   1  16   0 0.34  0.0    M  8.3 22 170   M    M   9 1      33 170
13  50  37  44  -4  21   0 1.25    M    M  8.1 25 230   M    M   9 1      38 220
14  48  34  41  -7  24   0 0.01    M    M  5.7 14 310   M    M   3 1      17 320
15  48  40  44  -4  21   0 0.49    M    M 13.0 28 140   M    M   9 1      40 140
16  53  38  46  -2  19   0 0.41    M    M  5.2 15 150   M    M   6 18     18 150
17  51  34  43  -5  22   0 0.00    M    M  3.7  8 290   M    M   0 1      11 290
18  51  35  43  -5  22   0 0.10    M    M  2.7  8 170   M    M   6 1      11 150
19  57  46  52   4  13   0    T    M    M  6.8 14 160   M    M  10 1      23 140
20  60  49  55   7  10   0    T    M    M 10.3 22 160   M    M   6        29 170
21  59  46  53   5  12   0 0.51    M    M  7.2 17 110   M    M   8 1      27 110
22  60  47  54   6  11   0 0.40    M    M  7.0 20 160   M    M  10 1      27 170
23  53  42  48   0  17   0 0.24    M    M  4.3 18 330   M    M  10 1      24 330
24  51  42  47  -1  18   0 0.34    M    M  9.2 28 240   M    M  10 1      43 250
25  48  34  41  -7  24   0 0.58    M    M  7.8 26 290   M    M  10 1      38 290
26  46  34  40  -8  25   0 0.53    M    M 10.5 30 300   M    M  10 1      45 310
27  45  36  41  -7  24   0 0.22    M    M  5.8 24 310   M    M   8 1      35 320
28  46  36  41  -7  24   0 0.17    M    M  8.6 15 110   M    M  10 1      26 110
29  49  33  41  -7  24   0 0.13    M    M  5.5 18 330   M    M   4 1      23 330
30  49  33  41  -7  24   0 0.06    M    M  4.5 10 160   M    M   7 18     13 160
31  48  31  40  -8  25   0 0.03    M    M  4.2 14 330   M    M   6 1      19 310
================================================================================
SM 1604 1236       586   0  6.73  0.0    186.4          M      226
================================================================================
AV 51.7 39.9                               6.0 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    30 300                 45 310
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   ARCATA CA
                                          MONTH:     DECEMBER
                                          YEAR:      2021
                                          LATITUDE:   40 58 N
                                          LONGITUDE: 124  6 W

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

AVERAGE MONTHLY: 45.8   TOTAL FOR MONTH:   6.73    1 = FOG OR MIST
DPTR FM NORMAL:  -2.2   DPTR FM NORMAL:   -2.22    2 = FOG REDUCING VISIBILITY
HIGHEST:    63 ON  1    GRTST 24HR  1.31 ON 12-13      TO 1/4 MILE OR LESS
LOWEST:     31 ON 31,10                             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:  M  ON   M    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:  20
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  16
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   5
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   586    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL    58    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  2070    CLOUDY (SCALE 8-10) 17
DPTR FM NORMAL    71

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     1    HIGHEST SLP 30.46 ON  5
DPTR FM NORMAL    -3    LOWEST  SLP 29.50 ON 13

[REMARKS]
#FINAL-12-21#


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