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

                                          STATION:   BOSTON MA
                                          MONTH:     APRIL
                                          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  55  44  50   6  15   0 0.00  0.0    0  7.7 17  10   M    M   6        22  20
 2  55  41  48   4  17   0 0.00  0.0    0  7.0 15  90   M    M   2        23  90
 3  76  46  61  17   4   0 0.00  0.0    0 10.8 22 210   M    M   3        25 170
 4  77  50  64  19   1   0 0.00  0.0    0 11.5 17 270   M    M   6        25 290
 5  72  49  61  16   4   0 0.00  0.0    0 10.1 25 210   M    M   5        29 210
 6  67  47  57  12   8   0    T  0.0    0  6.7 16 100   M    M   6        20  90
 7  90  45  68  22   0   3 0.00  0.0    0  8.7 24 240   M    M   4 18     33 250
 8  60  46  53   7  12   0 0.00  0.0    0 10.1 21  70   M    M   7 1      24  70
 9  58  43  51   5  14   0 0.88  0.0    0  8.5 24 320   M    M  10 1      32 280
10  58  41  50   3  15   0 0.00  0.0    0 15.7 26 280   M    M   5        36 270
11  70  48  59  12   6   0 0.00  0.0    0 12.3 25 290   M    M   5 8      35 310
12  61  44  53   6  12   0 0.00  0.0    0  8.4 20 320   M    M   3        25 320
13  50  43  47   0  18   0 0.00  0.0    0  9.4 17 110   M    M   3        21 110
14  66  40  53   5  12   0 0.00  0.0    0  8.2 22 300   M    M   2        29 290
15  60  43  52   4  13   0 0.00  0.0    0 12.2 24  70   M    M   4        32  60
16  44  37  41  -7  24   0 0.39    M    0 10.0 21 120   M    M  10 1      25 120
17  43  39  41  -8  24   0 0.15    M    0 10.3 21  80   M    M  10 1      23  90
18  51  40  46  -3  19   0 0.08    M    0  8.3 20 330   M    M   9        24 320
19  61  40  51   2  14   0 0.00  0.0    0 12.2 23 320   M    M   4        29 320
20  69  48  59   9   6   0 0.00  0.0    0  8.3 18 330   M    M   4        25 320
21  69  47  58   8   7   0 0.00  0.0    0  9.2 21 200   M    M   6        26 190
22  68  48  58   8   7   0 0.15  0.0    0  8.5 20 170   M    M   5 13     23 150
23  61  49  55   4  10   0 0.01  0.0    0 10.0 17  60   M    M   6        22  50
24  63  48  56   5   9   0 0.00  0.0    0 12.9 23 180   M    M   4        26 180
25  62  50  56   5   9   0 0.00  0.0    0 10.7 21 230   M    M   9        29 250
26  53  47  50  -2  15   0 0.03  0.0    M  8.2 13 110   M    M   9        15 160
27  50  39  45  -7  20   0 0.06  0.0    M 10.1 23 330   M    M  10 1      31 330
28  47  35  41 -11  24   0 0.03  0.0    M 16.1 30 320   M    M   7 1      38 320
29  62  44  53   0  12   0 0.00  0.0    M 17.8 39 320   M    M   3        51 340
30  76  46  61   8   4   0 0.00  0.0    0 13.0 26 310   M    M   5        33 300
================================================================================
SM 1854 1327       355   3  1.78     0.0 312.9          M      172
================================================================================
AV 61.8 44.2                              10.4 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 39 320               # 51  340
================================================================================
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:    APRIL
                                          YEAR:     2010
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

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

AVERAGE MONTHLY: 53.0   TOTAL FOR MONTH:   1.78    1 = FOG OR MIST
DPTR FM NORMAL:   4.7   DPTR FM NORMAL:   -1.82    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON  7    GRTST 24HR  0.88 ON  9- 9      TO 1/4 MILE OR LESS
LOWEST:     35 ON 28                               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:   9
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:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   355    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL  -148    PTCLDY (SCALE 4-7)  17
TOTAL FM JUL 1  4942    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL  -407

[CDD (BASE 65) ]
TOTAL THIS MO.     3
DPTR FM NORMAL    -1    [PRESSURE DATA]
TOTAL FM JAN 1     3    HIGHEST SLP 30.52 ON 13
DPTR FM NORMAL    -2    LOWEST  SLP 29.25 ON 27

[REMARKS]
#FINAL-04-10#