WFO Monthly/Daily Climate Data
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CXUS53 KLSX 011600
CF6CPS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CAHOKIA/ST. LOUIS IL
                                          MONTH:     DECEMBER
                                          YEAR:      2010
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 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  36  25  31   M  34   0 0.00  0.0    0  9.0 23 300   M    M   4        30 310
 2  45  23  34   M  31   0 0.00  0.0    0  3.7  9 130   M    M   3        13 140
 3  37  24  31   M  34   0 0.00  0.0    0  4.9 13 120   M    M   1 18     17 120
 4  39  31  35   M  30   0    T    M    0 15.2 30 330   M    M   7 18     37 330
 5  31  22  27   M  38   0 0.00  0.0    0 12.3 21 320   M    M   6        25 330
 6  31  17  24   M  41   0 0.00  0.0    0 10.9 20 300   M    M   2        23 310
 7  28  16  22   M  43   0 0.00  0.0    0  5.8 13 360   M    M   0        18 310
 8  33  13  23   M  42   0 0.00  0.0    0  1.9  9 310   M    M   0 18     15 290
 9  40  16  28   M  37   0 0.00  0.0    0  7.3 15 160   M    M   1        21 160
10  57  25  41   M  24   0 0.00  0.0    0  3.4 10 150   M    M   0 1      14 150
11  46  21  34   M  31   0 0.58    M    0 11.8 28 290   M    M   8 18     37 290
12   M   M   M   M   M   M 0.01    M    0 19.7 30 300   M    M  10 19     46 310
13  19   5  12   M  53   0 0.00  0.0    0 10.4 21 320   M    M   0        26 310
14  22   3  13   M  52   0 0.00  0.0    0  3.0  9 140   M    M   7        10 130
15  30  22  26   M  39   0 0.03  0.0    M  8.9 16 120   M    M   9 16     22 120
16  30  28  29   M  36   0 0.00  0.0    M 11.1 21 310   M    M  10 1      26 330
17  32  22  27   M  38   0 0.00  0.0    M  5.9 18 320   M    M   3 8      22 310
18  36  18  27   M  38   0 0.00  0.0    M  2.9 12 300   M    M   2 1      14 310
19  38  19  29   M  36   0    T    M    M  3.6  9 140   M    M   8 18     12 160
20  44  30  37   M  28   0    T  0.0    0  8.0 17 150   M    M   6        25 140
21  44  38  41   M  24   0 0.00  0.0    0  5.0 16 340   M    M  10 18     21 340
22  38  25  32   M  33   0 0.00  0.0    0 12.2 22 330   M    M   8 8      25 330
23  36  23  30   M  35   0 0.00  0.0    0  2.7  9  80   M    M   4 18     10  70
24  34  30  32   M  33   0 0.28    M    0  4.8 10 140   M    M  10 12     15 150
25  31  26  29   M  36   0 0.02    M    M 12.1 23 340   M    M  10 18     28 340
26  29  20  25   M  40   0    T    T    M 12.7 17 320   M    M   6 1      20 320
27  24  14  19   M  46   0 0.00  0.0    M  4.3 13 320   M    M   6 18     15 320
28  39  14  27   M  38   0 0.00  0.0    M  2.7  7 150   M    M   1 1       9 160
29  43  26  35   M  30   0 0.05  0.0    M  7.1 16 160   M    M   7 1      23 170
30  55  41  48   M  17   0 0.00  0.0    0 10.7 18 170   M    M  10 1      26 190
31  63  41  52   M  13   0 0.26    M    0 10.4 23 300   M    M  10 13     33 170
================================================================================
SM 1110  678      1050   0  1.23    T    244.4          M      169
================================================================================
AV 37.0 22.6                               7.9 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 30 330               # 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:  CAHOKIA/ST. LOUIS IL
                                          MONTH:    DECEMBER
                                          YEAR:     2010
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 29.8   TOTAL FOR MONTH:   1.23    1 = FOG OR MIST
DPTR FM NORMAL:     M   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    63 ON 31    GRTST 24HR  0.58 ON 11-11      TO 1/4 MILE OR LESS
LOWEST:      3 ON 14                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:    T          5 = HAIL
                        GRTST 24HR    T  ON 26-26  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:  11    0.01 INCH OR MORE:   7
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:  27    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1050    CLEAR  (SCALE 0-3)  11
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  1851    CLOUDY (SCALE 8-10)  9
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1  1592    HIGHEST SLP 30.56 ON 23
DPTR FM NORMAL     M    LOWEST  SLP 29.57 ON 11

[REMARKS]
#FINAL-12-10#


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