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000
CXUS53 KDMX 281548
CF6MCW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MASON CITY IA
                                          MONTH:     APRIL
                                          YEAR:      2011
                                          LATITUDE:   43  9 N
                                          LONGITUDE:  93 20 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  52  35  44   4  21   0 0.02  0.0    0 14.6 28 320   M    M   6 1      36 310
 2  56  30  43   2  22   0 0.00  0.0    0  9.6 21 130   M    M   2        28 130
 3  74  40  57  16   8   0    T  0.0    0 18.3 36 310   M    M   3        44 320
 4  48  26  37  -5  28   0    T  0.0    0 22.6 37 330   M    M   8 1      46 320
 5  59  25  42   0  23   0 0.00  0.0    0  8.4 20 250   M    M   5        24 250
 6  60  32  46   4  19   0    T  0.0    0  9.0 17 350   M    M   3        23 320
 7  61  27  44   1  21   0 0.00  0.0    0  8.5 22 150   M    M   1 18     26 150
 8  63  45  54  11  11   0 0.00  0.0    0 13.1 23 140   M    M   9 18     29 150
 9  71  46  59  15   6   0 0.47  0.0    0 12.4 22 140   M    M   8 1238   28 310
10  84  46  65  21   0   0 0.11  0.0    0 18.4 32 280   M    M   3 138    43 270
11  61  38  50   5  15   0 0.00  0.0    0 16.1 29 340   M    M   2        37 340
12  68  33  51   6  14   0 0.00  0.0    0  5.3 13 210   M    M   0        17 220
13  62  41  52   6  13   0    T  0.0    0 12.7 25  10   M    M   3        31  20
14  51  40  46   0  19   0 0.01  0.0    0 18.9 29  80   M    M   5 8      36  80
15  46  33  40  -6  25   0 0.38  0.0    0 25.3 36  80   M    M   5 1      46  80
16  45  32  39  -8  26   0 0.02    T    T 23.1 38 310   M    M  10 16     51 310
17  48  31  40  -7  25   0 0.39    T    0 10.4 25 310   M    M   9 1      31 310
18  45  33  39  -9  26   0 0.10    T    0  6.9 15  80   M    M   9 1      18  70
19  39  32  36 -12  29   0 1.03  3.2    T 17.8 29  50   M    M  10 12     36  60
20  44  30  37 -12  28   0    T    T    3  8.0 18 250   M    M   8 1      21 250
21  48  24  36 -13  29   0 0.01  0.0    0  9.6 21 150   M    M   5 12     26 120
22  44  40  42  -8  23   0 0.12  0.0    0 11.8 26 110   M    M  10 12     35 130
23  48  39  44  -6  21   0 0.00  0.0    0 13.3 24 270   M    M   9 1      32 270
24  57  34  46  -4  19   0 0.00  0.0    0  2.4  8 280   M    M   6 1      18 330
25  60  31  46  -5  19   0 0.56  0.0    0  9.1 20  50   M    M   4 1      25  60
26  49  39  44  -7  21   0 0.56  0.0    0 12.9 22 360   M    M  10 1      26 360
27  45  35  40 -12  25   0 0.01  0.0    0 14.6 23 330   M    M  10 1      29 330
28  51  32  42 -10  23   0 0.02    T    0 13.9 25 330   M    M   8 18     32 330
29  64  30  47  -5  18   0 0.03  0.0    0 15.7 29 120   M    M   2 13     38 120
30  64  42  53   0  12   0 0.08  0.0    0 16.4 29 270   M    M   5 1      39 270
================================================================================
SM 1667 1041       589   0  3.92     3.2 399.1          M      178
================================================================================
AV 55.6 34.7                              13.3 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 38 310               # 51  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:  MASON CITY IA
                                          MONTH:    APRIL
                                          YEAR:     2011
                                          LATITUDE:   43  9 N
                                          LONGITUDE:  93 20 W

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

AVERAGE MONTHLY: 45.1   TOTAL FOR MONTH:   3.92    1 = FOG OR MIST
DPTR FM NORMAL:  -1.6   DPTR FM NORMAL:    0.17    2 = FOG REDUCING VISIBILITY
HIGHEST:    84 ON 10    GRTST 24HR  1.12 ON 25-26      TO 1/4 MILE OR LESS
LOWEST:     24 ON 21                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   3.2 INCHES  5 = HAIL
                        GRTST 24HR   3.2 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   3 ON 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:   0    0.01 INCH OR MORE:  17
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   9
MIN 32 OR BELOW:  13    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   589    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL    34    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  7588    CLOUDY (SCALE 8-10)  9
DPTR FM NORMAL   188

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL    -5    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.37 ON 21
DPTR FM NORMAL    -5    LOWEST  SLP 29.15 ON  3

[REMARKS]
#FINAL-04-11#