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 010625
CF6INL
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   INTERNATIONAL FALLS MN
                                          MONTH:     MAY
                                          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  47  31  39  -8  26   0 0.00  0.0    0  8.5 18 290   M    M   7        26 280
 2  54  29  42  -6  23   0    T  0.0    0 10.2 23 300   M    M   4        30 300
 3  56  25  41  -7  24   0 0.00  0.0    0  8.4 22 300   M    M   0        26 290
 4  67  24  46  -3  19   0 0.00  0.0    0  5.4 18 130   M    M   0        24 130
 5  62  38  50   1  15   0 0.22  0.0    0  6.9 20 200   M    M   7 1      29 200
 6  75  42  59   9   6   0 0.04  0.0    0  5.2 22 260   M    M   7        32 260
 7  57  39  48  -2  17   0 0.01  0.0    0 10.4 21 280   M    M   7 18     25 250
 8  47  35  41  -9  24   0 0.01  0.0    0  9.6 18 320   M    M  10 18     21 360
 9  41  29  35 -16  30   0 0.04    T    0  4.6  9  10   M    M   9 18     12  10
10  57  28  43  -8  22   0 0.00  0.0    0  4.3 17 330   M    M   2        25 310
11  65  25  45  -7  20   0 0.00  0.0    0  3.8 13 220   M    M   2 1      23 240
12  54  40  47  -5  18   0 0.73  0.0    0  9.1 20 110   M    M   9 1      25 100
13  67  33  50  -2  15   0 0.16  0.1    0 16.6 33 240   M    M   6 13     46 240
14  41  27  34 -19  31   0    T  0.2    T 11.7 26 300   M    M   7 1      33 280
15  63  32  48  -5  17   0 0.34    T    0 12.5 25 290   M    M   7 18     33 270
16  50  29  40 -14  25   0    T  0.3    T 15.8 29 310   M    M   3 18     37 320
17  65  33  49  -5  16   0 0.00  0.0    0  7.0 17 220   M    M   2        24 220
18  69  43  56   2   9   0    T  0.0    0 12.1 22 330   M    M   4        28 280
19  52  38  45 -10  20   0 0.01  0.0    0 11.0 24 100   M    M   2        31 100
20  84  39  62   7   3   0 0.01  0.0    0  9.0 17 230   M    M   4        30 220
21  59  32  46  -9  19   0 0.01  0.0    0  9.2 25 300   M    M   3        36 310
22  68  29  49  -7  16   0 0.11  0.0    0  7.1 26 330   M    M   4 1      30 330
23  61  32  47  -9  18   0 0.00  0.0    0  5.7 16 310   M    M   3        21 310
24  69  28  49  -7  16   0 0.00  0.0    0  3.1 12  50   M    M   0        15  50
25  58  43  51  -6  14   0 0.41  0.0    0 10.9 20  80   M    M   7 1      30  90
26  51  43  47 -10  18   0 0.19  0.0    0  9.5 18 110   M    M  10 1      23  90
27  57  37  47 -10  18   0 0.00  0.0    0  5.4 12  80   M    M   8        17 100
28  71  33  52  -5  13   0 0.00  0.0    0  9.7 22 290   M    M   1        29 280
29  67  34  51  -7  14   0 0.31  0.0    0  4.8 22 270   M    M   2 13     30 250
30  55  31  43 -15  22   0 0.00  0.0    0 11.5 25 320   M    M   0        32 330
31  54  30  42 -16  23   0 0.08  0.0    0  6.3 18 140   M    M   8 1      24 130
================================================================================
SM 1843 1031       571   0  2.68     0.6 265.3          M      145
================================================================================
AV 59.5 33.3                               8.6 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 33 240               # 46  240
================================================================================
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:    MAY
                                          YEAR:     2009
                                          LATITUDE:   48 34 N
                                          LONGITUDE:  93 23 W

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

AVERAGE MONTHLY: 46.4   TOTAL FOR MONTH:   2.68    1 = FOG OR MIST
DPTR FM NORMAL:  -6.9   DPTR FM NORMAL:    0.13    2 = FOG REDUCING VISIBILITY
HIGHEST:    84 ON 20    GRTST 24HR  0.80 ON 12-13      TO 1/4 MILE OR LESS
LOWEST:     24 ON  4                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.6 INCH    5 = HAIL
                        GRTST 24HR   0.3 ON   M    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:  16
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:  16    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   571    CLEAR  (SCALE 0-3)  12
DPTR FM NORMAL   193    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1 10791    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL   662

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL   -17    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL   -18    LOWEST  SLP 29.42 ON 13

[REMARKS]
#FINAL-05-09#