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


000
CXUS53 KDLH 011137
CF6DLH
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DULUTH MN
                                          MONTH:     JUNE
                                          YEAR:      2009
                                          LATITUDE:   46 49 N
                                          LONGITUDE:  92 11 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  39  47 -10  18   0    T  0.0    0  6.8 13 130   M    M   6 12     17  30
 2  62  41  52  -5  13   0    T  0.0    0  8.7 23 330   M    M   6        31 320
 3  67  33  50  -7  15   0 0.00  0.0    0  5.4 14 300   M    M   1        21 280
 4  75  48  62   5   3   0 0.00  0.0    0 15.0 29 250   M    M   2        36 240
 5  60  44  52  -5  13   0    T  0.0    0 11.2 23 310   M    M   5        35 280
 6  53  37  45 -13  20   0 0.22  0.0    0  8.1 14  70   M    M   5        21  60
 7  50  40  45 -13  20   0    T  0.0    0 16.1 26  80   M    M   8 1      35 100
 8  47  40  44 -14  21   0 0.80  0.0    0 13.3 25  90   M    M  10 1      33  90
 9  60  42  51  -7  14   0 0.00  0.0    0  4.3 10 310   M    M   8 1      13 320
10  66  47  57  -2   8   0    T  0.0    0  6.5 16 300   M    M   6        20 300
11  66  43  55  -4  10   0 0.00  0.0    0  4.1 12 290   M    M   4        17 310
12  73  41  57  -2   8   0    T  0.0    0  6.3 22 280   M    M   3        26 280
13  71  46  59   0   6   0 0.01  0.0    0  8.9 21 280   M    M   5 3      28 270
14  76  50  63   3   2   0 0.00  0.0    0  7.0 16 110   M    M   1        18 110
15  72  41  57  -3   8   0 0.00  0.0    0  8.6 16  90   M    M   2        22 100
16  69  52  61   1   4   0    T  0.0    0  9.1 15 100   M    M   7        18 100
17  71  50  61   1   4   0 0.00  0.0    0  9.0 17 100   M    M   2        22 100
18  71  52  62   2   3   0 0.31  0.0    0  8.1 16  90   M    M   7 1238   21 130
19  80  52  66   5   0   1    T  0.0    0  5.8 20 280   M    M   6 123    25 270
20  83  61  72  11   0   7 0.00  0.0    0  7.7 17 350   M    M   2        22 330
21  79  58  69   8   0   4 0.07  0.0    0  9.6 20  90   M    M   4 13     25 100
22  72  53  63   2   2   0 0.16  0.0    0  7.2 17 110   M    M   8 1238   22 100
23  87  55  71   9   0   6 0.00  0.0    0  3.9 12 230   M    M   3 12     16 180
24  82  61  72  10   0   7 0.00  0.0    0  5.6 15 270   M    M   1 1      18 270
25  83  61  72  10   0   7    T  0.0    0  8.0 21 300   M    M   3 3      26 310
26  80  51  66   4   0   1 0.00  0.0    0  5.7 13 110   M    M   0        16 110
27  73  55  64   1   1   0 0.23  0.0    0 11.5 28 300   M    M   5 18     38 310
28  73  54  64   1   1   0 0.01  0.0    0 21.0 38 280   M    M   6 1      49 280
29  64  52  58  -5   7   0    T  0.0    0 15.0 24 310   M    M  10 1      35 310
30  57  50  54  -9  11   0    T  0.0    0 13.8 22 340   M    M   9        31 330
================================================================================
SM 2077 1449       212  33  1.81     0.0 271.3          M      145
================================================================================
AV 69.2 48.3                               9.0 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 38 280               # 49  280
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  DULUTH MN
                                          MONTH:    JUNE
                                          YEAR:     2009
                                          LATITUDE:   46 49 N
                                          LONGITUDE:  92 11 W

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

AVERAGE MONTHLY: 58.8   TOTAL FOR MONTH:   1.81    1 = FOG OR MIST
DPTR FM NORMAL:  -1.1   DPTR FM NORMAL:   -2.44    2 = FOG REDUCING VISIBILITY
HIGHEST:    87 ON 23    GRTST 24HR  0.80 ON  8- 8      TO 1/4 MILE OR LESS
LOWEST:     33 ON  3                               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:   0    0.10 INCH OR MORE:   5
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.   212    CLEAR  (SCALE 0-3)  10
DPTR FM NORMAL    32    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1  9845    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL   121

[CDD (BASE 65) ]
TOTAL THIS MO.    33
DPTR FM NORMAL     5    [PRESSURE DATA]
TOTAL FM JAN 1    33    HIGHEST SLP 30.31 ON  3
DPTR FM NORMAL    -2    LOWEST  SLP 29.53 ON 19

[REMARKS]
#FINAL-06-09#