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

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CXUS51 KBOX 241200
CF6BOS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOSTON MA
                                          MONTH:     MAY
                                          YEAR:      2019
                                          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  56  47  52  -1  13   0    T  0.0    M  6.3 17 180   M    M  10        20 180
 2  50  45  48  -6  17   0 0.06  0.0    M  9.7 16  70   M    M  10 1      19  60
 3  57  45  51  -3  14   0 0.11  0.0    M  6.7 16  90   M    M  10 1      19  90
 4  55  48  52  -2  13   0 0.14  0.0    M  5.7 10 140   M    M  10 12     12 130
 5  51  49  50  -5  15   0 0.01  0.0    M  6.4 12  80   M    M  10        15  60
 6  60  47  54  -1  11   0    T  0.0    M 11.0 18  80   M    M   7        21  90
 7  76  45  61   6   4   0 0.08  0.0    M 11.0 24 350   M    M   6        32 340
 8  61  50  56   0   9   0 0.00  0.0    M  9.1 16 100   M    M   5        20 120
 9  55  47  51  -5  14   0 0.00  0.0    M 10.8 21 110   M    M   5        23 100
10  66  51  59   3   6   0 0.01  0.0    M 11.7 21 200   M    M   9        27 180
11  70  54  62   6   3   0    T  0.0    M 10.9 20 300   M    M   5        25 320
12  55  43  49  -8  16   0 0.39  0.0    M  6.4 18  80   M    M  10 1      21  80
13  55  44  50  -7  15   0 0.82  0.0    M 15.8 26  70   M    M   8 1      31  60
14  48  43  46 -11  19   0 0.15  0.0    M 13.2 18  40   M    M  10 1      24  40
15  62  45  54  -4  11   0 0.01  0.0    M  9.1 18 300   M    M   8        24 330
16  65  50  58   0   7   0    T  0.0    M  6.4 18  90   M    M   6        21  90
17  65  50  58   0   7   0 0.24  0.0    M  5.4 16 260   M    M   7 1      26 280
18  70  53  62   3   3   0 0.00  0.0    M 11.4 22 100   M    M   5        26 110
19  73  53  63   4   2   0 0.22  0.0    M 14.6 29 210   M    M   9 1      37 210
20  88  66  77  18   0  12 0.13  0.0    M 14.2 26 220   M    M   8 13     32 230
21  72  58  65   5   0   0 0.00  0.0    M 18.5 30 320   M    M   4        44 260
22  69  54  62   2   3   0 0.00  0.0    M 13.9 21 110   M    M   5        27 330
23  72  53  63   3   2   0 0.12  0.0    M 14.9 25 210   M    M   9 13     34 210
================================================================================
SM 1451 1140       204  12  2.49     0.0 243.1          M      176
================================================================================
AV 63.1 49.6                              10.6 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->  # 30 320               # 44  260
================================================================================
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:     2019
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

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

AVERAGE MONTHLY: 56.3   TOTAL FOR MONTH:   2.49    1 = FOG OR MIST
DPTR FM NORMAL:  -0.4   DPTR FM NORMAL:    0.02    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON 20    GRTST 24HR  0.82 ON 13-13      TO 1/4 MILE OR LESS
LOWEST:     43 ON 14,12                            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:  14
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   9
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.   204    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL    -1    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1  5204    CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL  -382

[CDD (BASE 65) ]
TOTAL THIS MO.    12
DPTR FM NORMAL     2    [PRESSURE DATA]
TOTAL FM JAN 1    20    HIGHEST SLP M ON M
DPTR FM NORMAL     7    LOWEST  SLP 29.62 ON 20

[REMARKS]


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