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

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CXUS51 KBOX 240930
CF6BOS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOSTON MA
                                          MONTH:     MAY
                                          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  48  45  47  -6  18   0    T  0.0    M  9.2 15 340   M    M  10 1      18 340
 2  66  44  55   1  10   0 0.19  0.0    M  8.0 28 280   M    M   8 13     35 260
 3  64  49  57   3   8   0 0.00  0.0    M 14.8 25 290   M    M   4        36 310
 4  56  46  51  -3  14   0 0.00  0.0    M 11.8 24 110   M    M   6        27 100
 5  51  47  49  -6  16   0 0.64  0.0    M 11.4 23  60   M    M  10 12     27  50
 6  65  49  57   2   8   0 0.10  0.0    M 10.8 24 140   M    M  10 12     30 160
 7  64  50  57   2   8   0 0.00  0.0    M 15.6 25 170   M    M   7        34 160
 8  55  44  50  -6  15   0    T  0.0    M 13.5 24 220   M    M   7        29 230
 9  52  42  47  -9  18   0    T  0.0    M  7.3 16 110   M    M   6        19 120
10  55  47  51  -5  14   0 0.00  0.0    M  9.1 16 110   M    M   8        18  90
11  54  48  51  -5  14   0 0.00  0.0    M 10.3 18  90   M    M   7        22  90
12  53  47  50  -7  15   0 0.01  0.0    M  8.3 16  80   M    M   6 1      20  90
13  53  45  49  -8  16   0 0.02  0.0    M 11.9 21  90   M    M   8        24  60
14  51  46  49  -8  16   0 0.95  0.0    M 17.9 26  20   M    M  10 1      34 360
15  61  47  54  -4  11   0 0.07  0.0    M 14.2 26 350   M    M   7        35 340
16  81  55  68  10   0   3 0.00  0.0    M 12.2 20 300   M    M   4        26 300
17  92  60  76  18   0  11    T  0.0    M 10.8 23 220   M    M   4        30 230
18  95  71  83  24   0  18 0.05  0.0    M 14.7 31 270   M    M   5 3      42 270
19  90  58  74  15   0   9 0.01  0.0    M 15.8 25 340   M    M   4 38     33 290
20  59  52  56  -3   9   0 0.00  0.0    M 11.0 20  90   M    M   5        24  90
21  61  48  55  -5  10   0 0.00  0.0    0 10.4 16 110   M    M   6        20 100
22  56  50  53  -7  12   0 0.12  0.0    0  8.0 17 180   M    M  10 1      20 180
23  68  53  61   1   4   0    T  0.0    0  6.5 15 350   M    M   7 1      20 350
================================================================================
SM 1450 1143       236  41  2.16     0.0 263.5          M      159
================================================================================
AV 63.0 49.7                              11.5 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 31 270               # 42  270
================================================================================
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:    MAY
                                          YEAR:     2017
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

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

AVERAGE MONTHLY: 56.4   TOTAL FOR MONTH:   2.16    1 = FOG OR MIST
DPTR FM NORMAL:  -0.3   DPTR FM NORMAL:   -0.31    2 = FOG REDUCING VISIBILITY
HIGHEST:    95 ON 18    GRTST 24HR  0.95 ON 14-14      TO 1/4 MILE OR LESS
LOWEST:     42 ON  9                               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:  10
MAX 90 OR ABOVE:   3    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   236    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL    31    PTCLDY (SCALE 4-7)  18
TOTAL FM JUL 1  5136    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -450

[CDD (BASE 65) ]
TOTAL THIS MO.    41
DPTR FM NORMAL    31    [PRESSURE DATA]
TOTAL FM JAN 1    60    HIGHEST SLP M ON M
DPTR FM NORMAL    47    LOWEST  SLP 29.42 ON 15

[REMARKS]



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