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

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CXUS51 KBOX 201200
CF6BOS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOSTON MA
                                          MONTH:     MAY
                                          YEAR:      2018
                                          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  67  44  56   3   9   0 0.00  0.0    M  8.1 16 280   M    M   6        22 250
 2  89  58  74  20   0   9 0.00  0.0    M 13.7 25 250   M    M   5        33 250
 3  90  61  76  22   0  11 0.09  0.0    M  9.7 25 220   M    M   8 18     34 220
 4  82  57  70  16   0   5    T  0.0    M 12.0 31 270   M    M   9 18     47 280
 5  75  58  67  12   0   2 0.00  0.0    M 14.6 33 270   M    M   7        50 260
 6  67  50  59   4   6   0 0.19  0.0    M  7.3 17 230   M    M  10 1      21 240
 7  61  48  55   0  10   0 0.00  0.0    M  9.0 18  80   M    M   6 1      24  50
 8  59  45  52  -4  13   0 0.00  0.0    M  7.9 16 100   M    M   3 12      M  M
 9  63  47  55  -1  10   0 0.00  0.0    M  9.4 18  70   M    M   5 12      M  70
10  71  49  60   4   5   0    T  0.0    M  9.9 25 220   M    M   7 12     31 220
11  70  52  61   5   4   0 0.00  0.0    M  9.5 21 330   M    M   4        26 320
12  53  49  51  -6  14   0 0.21  0.0    M  7.5 16  80   M    M   8 1      20  60
13  54  48  51  -6  14   0 0.00  0.0    M  8.7 16 100   M    M   8 1      19 100
14  69  49  59   2   6   0 0.00  0.0    M  8.8 17 200   M    M   7        20 200
15  85  58  72  14   0   7 1.00  0.0    M 10.4 25 280   M    M   8 13     32 290
16  62  50  56  -2   9   0    T  0.0    M  9.4 23  50   M    M   9        28  50
17  71  51  61   3   4   0 0.00  0.0    M  5.2 12 130   M    M  10        14 130
18  65  47  56  -3   9   0 0.00  0.0    M 14.3 25  60   M    M   8        31  60
19  55  46  51  -8  14   0 0.20  0.0    M  8.1 17  90   M    M   8 1      19  90
================================================================================
SM 1308  967       127  34  1.69     0.0 183.5          M      136
================================================================================
AV 68.8 50.9                               9.7 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 33 270               # 50  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:     2018
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

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

AVERAGE MONTHLY: 59.9   TOTAL FOR MONTH:   1.69    1 = FOG OR MIST
DPTR FM NORMAL:   3.8   DPTR FM NORMAL:   -0.30    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON  3    GRTST 24HR  1.00 ON 15-15      TO 1/4 MILE OR LESS
LOWEST:     44 ON  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:   5
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   127    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL   -52    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  5315    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL  -245

[CDD (BASE 65) ]
TOTAL THIS MO.    34
DPTR FM NORMAL    28    [PRESSURE DATA]
TOTAL FM JAN 1    34    HIGHEST SLP M ON M
DPTR FM NORMAL    25    LOWEST  SLP 29.63 ON  4

[REMARKS]


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