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

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PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   BOSTON MA
                                          MONTH:     APRIL
                                          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  38  33  36  -7  29   0 1.56  1.2    M 19.6 31  30   M    M  10 1      39  40
 2  57  33  45   2  20   0    T    T    M  9.3 20 330   M    M   6        27 330
 3  55  38  47   3  18   0 0.00  0.0    M  8.9 17 110   M    M   5        18 110
 4  43  38  41  -3  24   0 0.68  0.0    M 16.6 30 110   M    M  10 1      36 120
 5  41  37  39  -5  26   0    T  0.0    M  8.3 14 340   M    M  10 1      18  10
 6  53  37  45   0  20   0 1.36  0.0    M 14.4 25  50   M    M  10 13     31  40
 7  54  41  48   3  17   0    T  0.0    M 16.7 33 220   M    M   7        40 220
 8  49  38  44  -2  21   0 0.00  0.0    M 16.2 26 290   M    M   7        34 290
 9  66  40  53   7  12   0 0.00  0.0    M  9.7 21 270   M    M   3        24 260
10  76  44  60  14   5   0 0.00  0.0    M 12.4 24 210   M    M   5        30 220
11  84  52  68  21   0   3 0.00  0.0    M 11.1 18 220   M    M   5        23 200
12  60  48  54   7  11   0 0.02  0.0    M  7.8 18 290   M    M   5 1      26 300
13  59  45  52   5  13   0 0.00  0.0    M 11.2 22 340   M    M   6        30 330
14  60  37  49   1  16   0 0.00  0.0    M  9.3 17 110   M    M   2        21 120
15  70  42  56   8   9   0    T  0.0    M 15.8 31 220   M    M   5        39 220
16  86  57  72  24   0   7    T  0.0    M 17.6 31 250   M    M   5        38 250
17  75  49  62  13   3   0 0.00  0.0    M 14.4 26 310   M    M   6        35 280
18  51  39  45  -4  20   0 0.00  0.0    M 13.4 21  80   M    M   5        24  90
19  56  39  48  -1  17   0 0.07  0.0    M 12.5 23 180   M    M   8 1      27 180
20  55  44  50   0  15   0 0.01  0.0    M 10.0 18  90   M    M   9 12     22  80
21  45  44  45  -5  20   0 0.51  0.0    M 14.2 21 100   M    M  10 1      25 100
================================================================================
SM 1233  875       316  10  4.21     1.2 269.4          M      139
================================================================================
AV 58.7 41.7                              12.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 33 220               # 40  220
================================================================================
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:     2017
                                          LATITUDE:   42 22 N
                                          LONGITUDE:  71  2 W

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

AVERAGE MONTHLY: 50.2   TOTAL FOR MONTH:   4.21    1 = FOG OR MIST
DPTR FM NORMAL:   3.6   DPTR FM NORMAL:    1.49    2 = FOG REDUCING VISIBILITY
HIGHEST:    86 ON 16    GRTST 24HR  1.56 ON  1- 1      TO 1/4 MILE OR LESS
LOWEST:     33 ON  2, 1                            3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   1.2 INCHES  5 = HAIL
                        GRTST 24HR   1.2 ON  1- 1  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:   7
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   316    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL   -72    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  4806    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL  -453

[CDD (BASE 65) ]
TOTAL THIS MO.    10
DPTR FM NORMAL    10    [PRESSURE DATA]
TOTAL FM JAN 1    10    HIGHEST SLP M ON M
DPTR FM NORMAL    10    LOWEST  SLP 29.23 ON  6

[REMARKS]



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