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 010653
CF6DLH
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DULUTH
                                          MONTH:     JANUARY
                                          YEAR:      2008
                                          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
                                          AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  12  -4   4  -5  61   0    T  0.1   18 14.1 21 320   M    M   8 9      30 320
 2  12  -9   2  -7  63   0    T    T   18 10.0 17 330   M    M   1 8      23 330
 3  22   6  14   6  51   0 0.00  0.0   17 14.6 31 230   M    M   3 9      45 220
 4  25  11  18  10  47   0 0.00  0.0   17  6.8 13 150   M    M   2 18     17 160
 5  32  22  27  19  38   0 0.00  0.0   15  9.2 16 130   M    M  10 128    23 130
 6  37  28  33  25  32   0 0.02  0.0   15  8.6 16 210   M    M   6 128    22 200
 7  37  22  30  22  35   0 0.00  0.0   13  5.1 15 130   M    M   6 12     18 110
 8  34  22  28  20  37   0    T    T   13  7.2 16 330   M    M   7 12     22 310
 9  24  18  21  13  44   0 0.00  0.0   12  7.9 18 310   M    M   9        24 320
10  31  20  26  18  39   0    T  0.1   12 11.0 18 100   M    M   9        23 100
11  28  20  24  16  41   0 0.03  0.9   12  7.8 14 300   M    M  10 18     16 330
12  24  19  22  14  43   0 0.02  0.7   13  6.9 12 330   M    M  10 18     15 330
13  20  15  18  10  47   0    T  0.2   14 11.8 22 330   M    M   8 1      28 320
14  15  -2   7  -1  58   0    T    T   14 10.7 22 340   M    M   4 8      28 330
15  19  -7   6  -2  59   0    T  0.5   14  8.2 21 130   M    M   5 18     25 130
16  22   4  13   5  52   0 0.01  0.2   14  9.7 17 330   M    M  10 18     23 330
17   9  -5   2  -6  63   0 0.00  0.0   14  8.4 14 340   M    M   4        18 340
18   7 -16  -4 -12  69   0    T    T   14 14.1 23 290   M    M   3 89     32 300
19  -5 -21 -13 -21  78   0 0.00  0.0   14 13.4 20 290   M    M   1        24 290
20  -2 -19 -10 -18  75   0 0.00  0.0   14 11.2 17 270   M    M   0        22 280
21   4 -12  -4 -12  69   0    T    T   14  8.0 13 270   M    M   6 8      16 270
22   8  -9   0  -8  65   0    T    T   14 11.6 20 280   M    M   4 8      24 280
23  -1 -16  -8 -16  73   0 0.00  0.0   13 10.2 17 310   M    M   0        23 300
24   9 -19  -5 -13  70   0 0.00  0.0   13 11.4 20 240   M    M   0        25 240
25  16  -4   6  -3  59   0    T    T   13  7.7 13 250   M    M   3 18     16 250
26  22  11  17   8  48   0    T  0.1   13  5.8 14 260   M    M   8 18     16 260
27  32   4  18   9  47   0 0.00  0.0   13  7.3 14 130   M    M   0 18     20 220
28  41  25  33  24  32   0 0.05  0.0   13  9.1 21 180   M    M   5 168    25 170
29  35 -19   8  -2  57   0    T    T   12 22.3 32 300   M    M   9 189    46 310
30  -6 -21 -13 -23  78   0 0.00  0.0   12 15.5 26 310   M    M   1        36 300
31   7 -14  -3 -13  68   0    T    T   12  5.1 12 140   M    M   7        15 150
================================================================================
SM  570   50      1698   0  0.13     2.8 310.7          M      159
================================================================================
AV 18.4  1.6                              10.0 FASTST  PSBL  %   5    MAX(MPH)
                                 MISC ---->  # 32 300               # 46  310
================================================================================
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
                                          MONTH:    JANUARY
                                          YEAR:     2008
                                          LATITUDE:   46 49 N
                                          LONGITUDE:  92 11 W

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

AVERAGE MONTHLY: 10.0   TOTAL FOR MONTH:   0.13    1 = FOG OR MIST
DPTR FM NORMAL:   1.6   DPTR FM NORMAL:   -0.99    2 = FOG REDUCING VISIBILITY
HIGHEST:    41 ON 28    GRTST 24HR  0.10 ON 14-15      TO 1/4 MILE OR LESS
LOWEST:    -21 ON 30,19                            3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   2.8 INCHES  5 = HAIL
                        GRTST 24HR   0.9 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  18 ON  2, 1  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:  26    0.01 INCH OR MORE:   5
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   0
MIN 32 OR BELOW:  31    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:  16    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1698    CLEAR  (SCALE 0-3)  11
DPTR FM NORMAL   -73    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  5270    CLOUDY (SCALE 8-10)  8
DPTR FM NORMAL  -400

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 28.71 ON 31

[REMARKS]
#FINAL-01-08#