Explanation of the Preliminary Monthly Climate Data (F6) Product

These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.

WFO Monthly/Daily Climate Data

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

                                          STATION:   ROCHESTER
                                          MONTH:     JUNE
                                          YEAR:      2005
                                          LATITUDE:   43 55 N                   
                                          LONGITUDE:  92 30 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
                                          AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  80  59  70   8   0   5 0.00  0.0    0 11.9 21 140   M    M   2        25 160
 2  83  56  70   7   0   5 0.00  0.0    0 12.5 21 160   M    M   1        26 150
 3  73  58  66   3   0   1 0.00  0.0    0 14.9 22 120   M    M   1 18     28 100
 4  78  63  71   8   0   6 0.11  0.0    0 13.9 25 220   M    M   4 138    30 220
 5  79  62  71   7   0   6    T  0.0    0 17.1 32 240   M    M   3 3      38 240
 6  90  58  74  10   0   9 0.00  0.0    0 10.8 20 250   M    M   0 8      24 240
 7  90  67  79  15   0  14 0.32  0.0    0 13.1 25 210   M    M   2 13     31 190
 8  76  60  68   4   0   3 1.40  0.0    0 14.1 38 340   M    M   4 13     46 340
 9  79  61  70   5   0   5    T  0.0    0  7.5 12  60   M    M   0 1       M  M 
10  82  65  74   9   0   9 0.35  0.0    0  9.9 20 220   M    M   2 138    22 220
11  80  66  73   8   0   8    T  0.0    0 14.2 29 200   M    M   4 18     35 190
12  78  60  69   3   0   4 0.00  0.0    0  7.3 18 220   M    M   1        22 230
13  81  62  72   6   0   7 0.08  0.0    0 12.3 36 240   M    M   4 13     44 240
14  75  61  68   2   0   3 0.06  0.0    0 11.9 28 260   M    M   6 1      31 270
15  72  58  65  -1   0   0 0.05  0.0    0 11.5 20 310   M    M   7 1      25 330
16  76  52  64  -2   1   0 0.00  0.0    0  6.4 15  10   M    M   1        18 350
17  79  52  66  -1   0   1 0.00  0.0    0  4.4 12 360   M    M   0        16  40
18  83  56  70   3   0   5 0.00  0.0    0  6.8 15 130   M    M   0        17 120
19  86  61  74   7   0   9 0.00  0.0    0 11.5 18 190   M    M   0        26 190
20  87  65  76   9   0  11 0.11  0.0    0 12.7 12  10   M    M   3 138    14  20
21  85  64  75   8   0  10 0.00  0.0    0  6.2 14  20   M    M   0 1      16  30
22  88  62  75   7   0  10 0.00  0.0    0  7.6 17 160   M    M   0        22 150
23  93  73  83  15   0  18 0.00  0.0    0 17.6 28 210   M    M   0 8      32 210
24  83  68  76   8   0  11    T  0.0    0 10.2 21 200   M    M   2 8      25 200
25  81  65  73   5   0   8    T  0.0    0  5.7 14 160   M    M   5 13     16 160
26  84  68  76   8   0  11 1.15  0.0    0 14.4 24 190   M    M   3 138    29 190
27  87  69  78   9   0  13 0.00  0.0    0 14.2 24 210   M    M   0 8      29 230
28  83  68  76   7   0  11 0.00  0.0    0  8.1 23 210   M    M   2 3      29 210
29  80  65  73   4   0   8 0.09  0.0    0 14.0 29 230   M    M   0 138    36 220
30  77  60  69   0   0   4 0.00  0.0    0 20.4 31 260   M    M   3        41 260
================================================================================
SM 2448 1864         1 215  3.72     0.0 343.1          M       60              
================================================================================
AV 81.6 62.1                              11.4 FASTST  PSBL  %   2    MAX(MPH)  
                                 MISC ---->    38 340                 46  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:  ROCHESTER
                                          MONTH:    JUNE
                                          YEAR:     2005
                                          LATITUDE:   43 55 N                   
                                          LONGITUDE:  92 30 W                   

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

AVERAGE MONTHLY: 71.9   TOTAL FOR MONTH:   3.72    1 = FOG                      
DPTR FM NORMAL:   5.8   DPTR FM NORMAL:   -0.28    2 = FOG REDUCING VISIBILITY  
HIGHEST:    93 ON 23    GRTST 24HR  1.67 ON  7- 8      TO 1/4 MILE OR LESS      
LOWEST:     52 ON 17,16                            3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   0.0 INCH    5 = HAIL                     
                        GRTST 24HR     0.0         6 = GLAZE OR RIME            
                        GRTST DEPTH:   0           7 = BLOWING DUST OR SAND:    
                                                       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:  10                                  
MAX 90 OR ABOVE:   3    0.10 INCH OR MORE:   6                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.     1    CLEAR  (SCALE 0-3)  23                                  
DPTR FM NORMAL   -64    PTCLDY (SCALE 4-7)   7                                  
SEASONAL TOTAL  7431    CLOUDY (SCALE 8-10)  0                                  
DPTR FM NORMAL  -877                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.   215                                                            
DPTR FM NORMAL   116    [PRESSURE DATA]                                         
SEASONAL TOTAL   221    HIGHEST SLP 30.19 ON 20                                 
DPTR FM NORMAL    91    LOWEST  SLP 29.52 ON 13                                 

[REMARKS]