WFO Monthly/Daily Climate Data
Issued by NWS Boston, MA

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CF6BOS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOSTON MA
                                          MONTH:     JANUARY
                                          YEAR:      2017
                                          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  44  33  39   9  26   0 0.07  0.0    M 14.0 28 270   M    M   5        35 270
 2  41  28  35   5  30   0    T  0.0    M  4.4 14 100   M    M   7        18 120
 3  44  40  42  12  23   0 0.89  0.0    M 18.1 26  60   M    M  10 1      32  60
 4  48  33  41  11  24   0 0.06    T    M 12.5 20 270   M    M   9 1      37 250
 5  34  27  31   1  34   0 0.00  0.0    M 14.8 28 240   M    M   4        36 280
 6  31  24  28  -1  37   0 0.06  1.1    M  8.1 14 320   M    M   9 1      18 330
 7  24  17  21  -8  44   0 0.53  7.0    M 14.4 28 350   M    M   8 12     37 340
 8  22  13  18 -11  47   0 0.01  0.2    M 13.3 20 320   M    M   4 189    27 320
 9  20  11  16 -13  49   0 0.00  0.0    M 11.1 20 290   M    M   3        24 280
10  39  16  28  -1  37   0 0.14  0.0    M  9.3 26 150   M    M   6 1      31 160
11  55  39  47  18  18   0 0.09  0.0    M 15.0 32 210   M    M   8 8      46 220
12  61  41  51  22  14   0 0.15  0.0    M 14.6 26 220   M    M   8 1      35 210
13  58  25  42  13  23   0 0.00  0.0    M 16.4 28 300   M    M   3        36 280
14  31  18  25  -4  40   0 0.00  0.0    0  9.5 18 330   M    M   6        22 330
15  37  27  32   3  33   0 0.00  0.0    M  9.2 17 310   M    M   2        23 320
16  42  23  33   4  32   0 0.00  0.0    0  9.6 20 230   M    M   4        28 250
17  42  32  37   8  28   0 0.30    T    0 11.4 22 110   M    M   6 1      31 140
18  40  32  36   7  29   0 0.36  0.0    0 13.9 23  90   M    M  10 1      27  90
19  46  31  39  10  26   0 0.00  0.0    0  8.1 16 320   M    M   8 1      22 340
================================================================================
SM  759  510       594   0  2.66     8.3 227.7          M      120
================================================================================
AV 40.0 26.8                              12.0 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 32 210               # 46  220
================================================================================
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:    JANUARY
                                          YEAR:     2017
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

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

AVERAGE MONTHLY: 33.4   TOTAL FOR MONTH:   2.66    1 = FOG OR MIST
DPTR FM NORMAL:   4.3   DPTR FM NORMAL:    0.57    2 = FOG REDUCING VISIBILITY
HIGHEST:    61 ON 12    GRTST 24HR  0.91 ON  3- 4      TO 1/4 MILE OR LESS
LOWEST:     11 ON  9                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   8.3 INCHES  5 = HAIL
                        GRTST 24HR   7.0 ON  7- 7  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:   5    0.01 INCH OR MORE:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:  14    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   594    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   -86    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  2425    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -249

[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 29.37 ON  3

[REMARKS]


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