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896
CXUS51 KBOX 171645
CF6BOS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOSTON MA
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 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  13  12   0 0.41  0.0    M 15.7 32 220   M    M   8 1      40 160
 2  43  35  39   0  26   0    T  0.0    M 13.5 22 250   M    M   5        29 260
 3  50  33  42   3  23   0 0.00  0.0    M 12.6 18 210   M    M   3        26 290
 4  58  40  49  10  16   0 0.02  0.0    M 13.2 23 220   M    M   8        29 220
 5  47  33  40   2  25   0 1.72  0.3    M 18.2 35 330   M    M  10 1      46 300
 6  37  29  33  -5  32   0    T    T    M 17.2 28 300   M    M   7        36 300
 7  35  27  31  -7  34   0 0.00  0.0    M 10.3 20 280   M    M   5        25 250
 8  31  26  29  -8  36   0 0.00  0.0    M 13.4 22 360   M    M   9        27 350
 9  36  24  30  -7  35   0    T  0.0    M  7.6 13 230   M    M   8        16 260
10  45  34  40   3  25   0 0.00  0.0    M  9.5 22 310   M    M   5        30 290
11  51  28  40   4  25   0 0.00  0.0    M  8.2 23 210   M    M   5        29 210
12  47  35  41   5  24   0 0.50  0.0    M  5.9 16  70   M    M   8 1      19  70
13  59  40  50  14  15   0 0.00  0.0    M  6.9 18 240   M    M   8 12     25 220
14  40  34  37   2  28   0 0.06    T    M  7.8 18 350   M    M   7 4      23 360
15  36  23  30  -5  35   0 0.00  0.0    M 13.8 21 300   M    M   3        28 300
16  30  16  23 -12  42   0 0.04  0.4    M 13.1 31  60   M    M   8 1      37  60
17  32  21  27  -7  38   0 0.30 12.3    M 22.6 39  60   M    M  10 1269   48  60
18  30  21  26  -8  39   0 0.00  0.0    M 10.3 17 350   M    M   7        23 330
19  31  17  24 -10  41   0 0.00  0.0    M  6.0 13 310   M    M   5        15 310
20  36  26  31  -2  34   0 0.03    T    M  3.6 10 290   M    M   9 1      16 280
21  37  27  32  -1  33   0 0.00  0.0    M  5.6 13 260   M    M   8 1      17 290
22  44  32  38   5  27   0 0.00  0.0    M 11.6 23 290   M    M   5        29 290
23  38  30  34   2  31   0 0.00  0.0    M 10.1 22 280   M    M   4        28 280
24  53  30  42  10  23   0    T  0.0    M 13.0 28 150   M    M   9 1      33 160
25  60  40  50  18  15   0 1.49  0.0    M 19.7 36 160   M    M  10 1      44 170
26  40  28  34   2  31   0 0.00  0.0    M 17.1 30 210   M    M   5        39 210
27  38  25  32   1  33   0 0.00  0.0    M  8.9 18 260   M    M   3        23 250
28  49  28  39   8  26   0 0.00  0.0    M  9.4 23 210   M    M   7        27 210
29  42  24  33   2  32   0 0.00  0.0    M 15.4 29 270   M    M   3        37 290
30  41  24  33   2  32   0 0.00  0.0    M 11.9 24 210   M    M   7        29 210
31  45  33  39   9  26   0 0.10  0.0    M 14.2 28 220   M    M   9        34 220
================================================================================
SM 1324  905       894   0  4.67 13.0    366.3          M      208
================================================================================
AV 42.7 29.2                              11.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    39  60                 48  60
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   BOSTON MA
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

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

AVERAGE MONTHLY: 36.0   TOTAL FOR MONTH:   4.67    1 = FOG OR MIST
DPTR FM NORMAL:   1.3   DPTR FM NORMAL:    0.89    2 = FOG REDUCING VISIBILITY
HIGHEST:    63 ON  1    GRTST 24HR  1.73 ON  4- 5      TO 1/4 MILE OR LESS
LOWEST:     16 ON 16                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  13.0 INCHES  5 = HAIL
                        GRTST 24HR  12.3 ON 17-17  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:   5    0.01 INCH OR MORE:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:  20    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   894    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL   -45    PTCLDY (SCALE 4-7)  16
TOTAL FM JUL 1  1781    CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL  -211

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   924    HIGHEST SLP 30.53 ON 16
DPTR FM NORMAL   177    LOWEST  SLP 29.28 ON  5

[REMARKS]
#FINAL-12-20#