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 010638
CF6DLH
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DULUTH
                                          MONTH:     FEBRUARY
                                          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  22   2  12   2  53   0    T    T   12  7.5 15 130   M    M   6 1      17 120
 2  26  20  23  12  42   0 0.01  0.1   12  3.9 12 270   M    M  10 18     13 270
 3  28  21  25  14  40   0    T    T   12  7.1 14 140   M    M   7 18     17 140
 4  28  19  24  13  41   0 0.02  0.4   11  7.2 16  90   M    M   8 18     21  90
 5  26  18  22  10  43   0    T    T   11  8.0 16 330   M    M   8 18     22 330
 6  18  11  15   3  50   0 0.03  1.0   12 10.4 16  60   M    M   8 18     21 110
 7  21   6  14   2  51   0    T    T   12  6.5 14 250   M    M   7 1      16 260
 8  20  13  17   4  48   0    T    T   12  2.7  6  90   M    M  10 18      7  90
 9  22 -16   3 -10  62   0 0.02  0.5   12 15.6 33 300   M    M   8 19     45 280
10  -3 -19 -11 -24  76   0 0.00  0.0   12 17.8 30 310   M    M   3 89     39 310
11   5 -22  -8 -22  73   0 0.00  0.0   12  4.7 13 350   M    M   3        16 340
12  13   4   9  -5  56   0    T  0.1   11  6.0 15 260   M    M   9 8      20 270
13  11   1   6  -8  59   0 0.14  1.7   12  6.5 17 270   M    M   7 18     20 260
14   7 -10  -1 -16  66   0 0.01  0.5   14 11.5 18 350   M    M   5 18     24 340
15   1 -20  -9 -24  74   0    T  0.1   14  7.4 14 330   M    M   3        18 310
16  32  -3  15   0  50   0    T    T   14 11.0 23 190   M    M   7        28 190
17  32  14  23   7  42   0 0.03  0.5   13 11.9 22 340   M    M   8 19     26 320
18  14  -2   6 -10  59   0 0.02  0.9   15 14.3 22 350   M    M   8 9      29 340
19   4 -16  -6 -22  71   0 0.00  0.0   15  9.0 15 340   M    M   2 8      20 340
20   6 -17  -5 -21  70   0 0.00  0.0   15  9.9 18 330   M    M   0        24 340
21  12 -10   1 -16  64   0    T    T   15 11.2 21 230   M    M   4        26 250
22  24  -2  11  -6  54   0    T    T   14  4.8 10 260   M    M   0        13 250
23  31   6  19   1  46   0 0.00  0.0   14  6.9 13 240   M    M   1 18     16 230
24  35  15  25   7  40   0 0.00  0.0   14  7.5 13 280   M    M   4 128    14 280
25  32  14  23   5  42   0    T    T   14  9.9 18 340   M    M   4 18     24 340
26  19   9  14  -5  51   0    T    T   13 10.9 20 340   M    M   4 9      29 310
27  22  -2  10  -9  55   0    T    T   13  5.4 17 330   M    M   4 1      23 330
28  24  -6   9 -10  56   0 0.04  0.5   13  5.7 14 130   M    M   5 1      18 150
29  26   7  17  -2  48   0 0.05  0.8   14 13.3 28 290   M    M   8 129    35 290
================================================================================
SM  558   35      1582   0  0.37     7.1 254.5          M      161
================================================================================
AV 19.2  1.2                               8.8 FASTST  PSBL  %   6    MAX(MPH)
                                 MISC ---->  # 33 300               # 45  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
                                          MONTH:    FEBRUARY
                                          YEAR:     2008
                                          LATITUDE:   46 49 N
                                          LONGITUDE:  92 11 W

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

AVERAGE MONTHLY: 10.2   TOTAL FOR MONTH:   0.37    1 = FOG OR MIST
DPTR FM NORMAL:  -4.6   DPTR FM NORMAL:   -0.46    2 = FOG REDUCING VISIBILITY
HIGHEST:    35 ON 24    GRTST 24HR  0.14 ON 13-13      TO 1/4 MILE OR LESS
LOWEST:    -22 ON 11                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   7.1 INCHES  5 = HAIL
                        GRTST 24HR   1.7 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  15 ON 21,20  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:  28    0.01 INCH OR MORE:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:  29    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:  13    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1582    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL   160    PTCLDY (SCALE 4-7)  16
TOTAL FM JUL 1  6852    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL  -286

[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 29.44 ON 17

[REMARKS]
#FINAL-02-08#