000
CXUS51 KBOX 011200
CF6BOS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOSTON MA
                                          MONTH:     MAY
                                          YEAR:      2010
                                          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  71  56  64  11   1   0 0.00  0.0    0  7.0 17 100   M    M   6        26 210
 2  87  55  71  17   0   6 0.00  0.0    0  7.1 17 210   M    M   8        21 180
 3  83  67  75  21   0  10 0.02  0.0    0 15.5 37 290   M    M   8 1      46 300
 4  82  59  71  17   0   6 0.02  0.0    0 13.5 28 230   M    M   4        43 280
 5  78  57  68  13   0   3 0.00  0.0    0 12.1 22 230   M    M   1        29 230
 6  78  57  68  13   0   3    T  0.0    0 16.2 31 290   M    M   4        46 290
 7  73  52  63   8   2   0 0.00  0.0    0 11.6 20 280   M    M   5        29 280
 8  61  49  55  -1  10   0 1.20  0.0    0  8.1 26 280   M    M   9 13     36 270
 9  55  42  49  -7  16   0 0.00  0.0    0 20.7 32 270   M    M   6        44 270
10  59  40  50  -7  15   0 0.00  0.0    0 14.5 23 350   M    M   5        30 330
11  54  40  47 -10  18   0 0.00  0.0    0 10.2 18 180   M    M   5        24 170
12  53  47  50  -7  15   0    T  0.0    0  7.0 18 210   M    M   8        22 200
13  68  45  57  -1   8   0 0.00  0.0    0  8.3 17 280   M    M   4        23 270
14  68  51  60   2   5   0 0.47  0.0    0  7.6 17 250   M    M   9 13     36 210
15  71  56  64   6   1   0 0.00  0.0    0 12.7 28 320   M    M   4 1      37 320
16  74  54  64   5   1   0 0.00  0.0    0 11.2 22 320   M    M   3        31 280
17  73  53  63   4   2   0 0.00  0.0    0 10.5 18 110   M    M   6        21 120
18  62  48  55  -4  10   0 0.88  0.0    0  8.1 22  60   M    M   9 1      28  50
19  57  48  53  -7  12   0 0.20  0.0    0 15.8 30  50   M    M  10 1      38  50
20  84  53  69   9   0   4 0.00  0.0    0  7.8 20 260   M    M   5        28 250
21  69  54  62   2   3   0 0.00  0.0    0  9.0 18  70   M    M   4        24  50
22  74  53  64   3   1   0 0.00  0.0    0  8.1 15 170   M    M   7        20 160
23  64  54  59  -2   6   0 0.00  0.0    0  5.8 12  70   M    M   8 12     15  50
24  81  56  69   8   0   4 0.00  0.0    0  7.9 16 130   M    M   3 1      20 220
25  85  63  74  12   0   9 0.00  0.0    0  8.4 18 190   M    M   3        22 220
26  94  58  76  14   0  11 0.06  0.0    0 11.1 25  50   M    M   2 13     31  60
27  70  56  63   1   2   0 0.05  0.0    0 10.5 21 100   M    M   7 1      24 110
28  69  57  63   1   2   0 0.00  0.0    0  9.5 17 100   M    M   4        21 130
29  79  57  68   5   0   3    T  0.0    0 10.4 23 280   M    M   6        28 290
30  82  65  74  11   0   9 0.00  0.0    0 11.5 25 300   M    M   6        32 310
31  74  60  67   4   0   2 0.00  0.0    0 11.6 21 100   M    M   4 8      24 120
================================================================================
SM 2232 1662       130  70  2.90     0.0 329.3          M      173
================================================================================
AV 72.0 53.6                              10.6 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 37 290               # 46  300
================================================================================
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:     2010
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

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

AVERAGE MONTHLY: 62.8   TOTAL FOR MONTH:   2.90    1 = FOG OR MIST
DPTR FM NORMAL:   4.3   DPTR FM NORMAL:   -0.34    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON 26    GRTST 24HR  1.20 ON  8- 8      TO 1/4 MILE OR LESS
LOWEST:     40 ON 11,10                            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:   8
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   130    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL  -103    PTCLDY (SCALE 4-7)  22
TOTAL FM JUL 1  5072    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -510

[CDD (BASE 65) ]
TOTAL THIS MO.    70
DPTR FM NORMAL    38    [PRESSURE DATA]
TOTAL FM JAN 1    73    HIGHEST SLP 30.42 ON 11
DPTR FM NORMAL    36    LOWEST  SLP 29.36 ON  8

[REMARKS]
#FINAL-05-10#