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 011852
CF6INL
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   INTERNATIONAL FALLS MN
                                          MONTH:     APRIL
                                          YEAR:      2009
                                          LATITUDE:   48 34 N
                                          LONGITUDE:  93 23 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  33  28  31  -1  34   0 0.10  1.3   19  7.5 13 280   M    M  10 18     17 280
 2  34  29  32   0  33   0 0.02  0.4   19  5.7 12 270   M    M   8 18     16 280
 3  38  30  34   1  31   0 0.01  0.2   18  6.4 14 310   M    M  10 1      17 290
 4  37  24  31  -2  34   0    T    T   18  6.5 14  10   M    M   7 8      20 350
 5  34  20  27  -7  38   0 0.00  0.0   17  9.2 18 350   M    M   0        23 350
 6  38  21  30  -4  35   0 0.00  0.0   17 10.8 22 320   M    M   0        28 340
 7  42  15  29  -6  36   0 0.00  0.0   14  7.2 15 310   M    M   0        18 300
 8  44  22  33  -2  32   0 0.00  0.0   14  9.0 22 290   M    M   3        26 300
 9  40  23  32  -4  33   0 0.00  0.0   12  7.4 16 310   M    M   2        20 340
10  43  19  31  -5  34   0 0.00  0.0    9  3.1 12 360   M    M   0 8      14  50
11  50  18  34  -3  31   0 0.00  0.0    7  3.7 10  40   M    M   0 1      14 140
12  58  28  43   6  22   0 0.00  0.0    3  6.2 14 200   M    M   0        17 210
13  54  34  44   6  21   0 0.00  0.0    0  7.2 16 140   M    M   3        21 140
14  59  30  45   6  20   0 0.00  0.0    0  4.7 12 140   M    M   6        16 140
15  63  30  47   8  18   0 0.00  0.0    0  6.5 14 140   M    M   1        21 120
16  68  32  50  10  15   0 0.00  0.0    0  5.8 20 210   M    M   2        24 210
17  65  39  52  12  13   0 0.00  0.0    0  9.9 21 280   M    M   8        28 290
18  44  34  39  -2  26   0    T  0.0    0  7.9 14 310   M    M  10        17 310
19  43  34  39  -2  26   0 0.01  0.0    0  6.1 12  90   M    M  10 1      15 100
20  43  32  38  -4  27   0    T  0.0    0 11.4 24 340   M    M  10 1      29 330
21  58  28  43   1  22   0    T  0.0    0 11.8 25 330   M    M   2        35 320
22  51  26  39  -4  26   0 0.00  0.0    0  6.7 13 350   M    M   0        18 350
23  71  35  53  10  12   0 0.01  0.0    0  9.4 21 340   M    M   1 3      28  10
24  48  29  39  -5  26   0 0.26  0.0    0  8.1 23 320   M    M   9 1      30 320
25  52  25  39  -5  26   0 0.00  0.0    0  3.2 14 230   M    M   0        20 220
26  48  26  37  -8  28   0 0.21    T    0  9.5 25 100   M    M   4 1      33 110
27  50  32  41  -4  24   0 0.02  0.0    0 10.9 23 320   M    M   9 1      31 320
28  57  23  40  -6  25   0 0.00  0.0    0  5.9 17  70   M    M   0 12     24  40
29  62  32  47   1  18   0 0.14  0.0    0  8.0 20 100   M    M   4 1      25 110
30  55  36  46  -1  19   0 0.33  0.0    0  8.9 24 340   M    M   9 13     29 330
================================================================================
SM 1482  834       785   0  1.11     1.9 224.6          M      128
================================================================================
AV 49.4 27.8                               7.5 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 25 330               # 35  320
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  INTERNATIONAL FALLS MN
                                          MONTH:    APRIL
                                          YEAR:     2009
                                          LATITUDE:   48 34 N
                                          LONGITUDE:  93 23 W

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

AVERAGE MONTHLY: 38.6   TOTAL FOR MONTH:   1.11    1 = FOG OR MIST
DPTR FM NORMAL:  -0.7   DPTR FM NORMAL:   -0.27    2 = FOG REDUCING VISIBILITY
HIGHEST:    71 ON 23    GRTST 24HR  0.47 ON 29-30      TO 1/4 MILE OR LESS
LOWEST:     15 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   1.9 INCHES  5 = HAIL
                        GRTST 24HR   1.3 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  19 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:   0    0.01 INCH OR MORE:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:  24    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   785    CLEAR  (SCALE 0-3)  16
DPTR FM NORMAL    10    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1 10220    CLOUDY (SCALE 8-10)  8
DPTR FM NORMAL   469

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL    -1    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.53 ON 28
DPTR FM NORMAL    -1    LOWEST  SLP 29.31 ON  1

[REMARKS]
#FINAL-04-09#