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:     SEPTEMBER
                                          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  69  53  61  -9   4   0 0.00  0.0    M 14.8 23 290   M    M   4        32 290
 2  68  53  61  -8   4   0 0.00  0.0    M  9.8 15 120   M    M   5        21 300
 3  64  57  61  -8   4   0 0.28  0.0    M 13.0 28 120   M    M   9 18     37 290
 4  81  58  70   1   0   5 0.00  0.0    M 13.9 22 220   M    M   3        30 250
 5  88  65  77   9   0  12 0.00  0.0    M 17.1 24 200   M    M   3        33 200
 6  79  62  71   3   0   6 0.22  0.0    M  8.2 21 320   M    M   9 13     28 310
 7  76  60  68   0   0   3 0.60  0.0    M 10.8 23 290   M    M   8 1      34 260
 8  74  59  67  -1   0   2 0.00  0.0    M 10.2 16 290   M    M   4        22 260
 9  68  55  62  -5   3   0 0.01  0.0    M  8.2 14 330   M    M   3        18 300
10  69  56  63  -4   2   0 0.00  0.0    M  8.7 16 360   M    M   2        21  10
11  80  55  68   1   0   3 0.00  0.0    M  9.8 15 300   M    M   2        20 320
12  86  61  74   8   0   9 0.00  0.0    M  8.5 20 250   M    M   3        23 260
13  78  64  71   5   0   6 0.03  0.0    M  8.5 15 110   M    M   4 3      22 240
14  84  67  76  10   0  11 0.33  0.0    M 11.2 41 220   M    M   8 138    65 220
15  77  66  72   7   0   7 0.21  0.0    M  6.9 15  30   M    M   8 1      18  70
16  73  62  68   3   0   3 0.00  0.0    M  4.2  9  90   M    M   7 12     11 100
17  73  61  67   2   0   2 0.00  0.0    M  4.4 13 110   M    M   8 128    14 110
18  68  63  66   2   0   1    T  0.0    M  6.7 13  40   M    M  10 12     15  60
19  66  63  65   1   0   0 0.04  0.0    M 13.7 22  30   M    M  10 12     25  30
20  72  63  68   4   0   3 0.27  0.0    M 20.2 28  20   M    M  10 1      36  40
21  72  63  68   5   0   3 0.00  0.0    M 23.0 32  20   M    M   9        44  30
22  63  57  60  -3   5   0 0.16  0.0    M 22.2 31  20   M    M  10 1      38  10
23  76  60  68   6   0   3 0.03  0.0    M  9.0 22  20   M    M   7 12     27  10
================================================================================
SM 1704 1383        22  79  2.18     0.0 263.0          M      146
================================================================================
AV 74.1 60.1                              11.4 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 41 220               # 65  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:    SEPTEMBER
                                          YEAR:     2017
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

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

AVERAGE MONTHLY: 67.1   TOTAL FOR MONTH:   2.18    1 = FOG OR MIST
DPTR FM NORMAL:   0.9   DPTR FM NORMAL:   -0.38    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON  5    GRTST 24HR  0.60 ON  7- 7      TO 1/4 MILE OR LESS
LOWEST:     53 ON  2, 1                            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:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.    22    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   -25    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1    34    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL   -26

[CDD (BASE 65) ]
TOTAL THIS MO.    79
DPTR FM NORMAL     6    [PRESSURE DATA]
TOTAL FM JAN 1   808    HIGHEST SLP M ON M
DPTR FM NORMAL    76    LOWEST  SLP 29.70 ON M

[REMARKS]


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