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WFO Monthly/Daily Climate Data (CF6)

Issued by National Weather Service (NWS)

                            
198 
CXUS51 KBOX 251200
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
20  81  54  68   9   0   3 0.08  0.0    M 11.7 22 250   M    M   8 1      29 230
21  80  57  69   9   0   4 0.00  0.0    0  8.4 21 200   M    M   3        24 210
22  67  54  61   1   4   0 0.03  0.0    M  6.7 17 220   M    M   8        22 220
23  84  54  69   9   0   4 0.02  0.0    M  9.6 21  20   M    M   5 3      26  20
24  68  53  61   1   4   0 0.00  0.0    M 11.9 21 220   M    M   2        26 220
================================================================================
SM 1688 1239       135  45  1.82     0.0 231.8          M      162              
================================================================================
AV 70.3 51.6                               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: 61.0   TOTAL FOR MONTH:   1.82    1 = FOG OR MIST              
DPTR FM NORMAL:   4.1   DPTR FM NORMAL:   -0.78    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:   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:   1                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   135    CLEAR  (SCALE 0-3)   3                                  
DPTR FM NORMAL   -76    PTCLDY (SCALE 4-7)  13                                  
TOTAL FM JUL 1  5323    CLOUDY (SCALE 8-10)  8                                  
DPTR FM NORMAL  -269                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.    45                                                            
DPTR FM NORMAL    34    [PRESSURE DATA]                                         
TOTAL FM JAN 1    45    HIGHEST SLP M ON M                                      
DPTR FM NORMAL    31    LOWEST  SLP 29.63 ON  4                                 

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