National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS53 KLSX 011837
CF6CPS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CAHOKIA/ST. LOUIS IL
                                          MONTH:     DECEMBER
                                          YEAR:      2009
                                          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  56  30  43   M  22   0 0.00  0.0    0  5.6 14 170   M    M   0        22 210
 2  42  26  34   M  31   0 0.19    M    0  9.3 23 310   M    M   5 1      28 310
 3  38  25  32   M  33   0 0.00  0.0    0 11.1 20 310   M    M   3        24 320
 4  31  18  25   M  40   0 0.00  0.0    0  3.1 10 280   M    M   1        17 280
 5  39  15  27   M  38   0 0.00  0.0    0  3.9 12 170   M    M   0 1      18 230
 6  38  22  30   M  35   0    T    M    0  6.6 16 150   M    M   2        21 140
 7  39  30  35   M  30   0 0.00  0.0    0  5.4 16 300   M    M   9        20 320
 8  42  31  37   M  28   0 0.62  0.0    0  6.4 15 100   M    M   9 18     20 200
 9  45  15  30   M  35   0    T    M    0 20.2 32 260   M    M  10        45 260
10  26  10  18   M  47   0 0.00  0.0    0  8.2 21 290   M    M   0        24 280
11  40  17  29   M  36   0 0.00  0.0    0  5.4 13 210   M    M   0        18 170
12  38  25  32   M  33   0 0.51  0.0    0  8.3 22 160   M    M   9 13     26 160
13  45  34  40   M  25   0 0.13  0.0    0  3.9 13 120   M    M   6 13     17 180
14  54  30  42   M  23   0 0.00  0.0    0 11.6 23 310   M    M   6 18     26 310
15  30  19  25   M  40   0 0.00  0.0    0 11.3 21 320   M    M   2        25 310
16  36  16  26   M  39   0 0.00  0.0    0  4.4 12 140   M    M   0        14 150
17  52  25  39   M  26   0 0.00  0.0    0  6.4 14 170   M    M   2        21 170
18  45  30  38   M  27   0    T    M    0  5.6 14 310   M    M   8 1      18 320
19  33  26  30   M  35   0    T    M    M 13.5 23 310   M    M  10 18     26 310
20  31  25  28   M  37   0    T    M    M  4.8 13 280   M    M  10 18     15 160
21  36  29  33   M  32   0 0.00  0.0    M  3.4 10 140   M    M   8 18     15 140
22  40  29  35   M  30   0 0.07  0.0    0  6.9 15 140   M    M   9 1      18 140
23  50  40  45   M  20   0 0.85    M    0 10.4 22 150   M    M   8 13     28 160
24  51  45  48   M  17   0 1.26  0.0    0 12.7 29 130   M    M  10 1      40 120
25  51  21  36   M  29   0 0.13    M    0 13.4 24 140   M    M   9 1      36 220
26  31  26  29   M  36   0    T    M    M 12.4 21 220   M    M  10        31 250
27  29  20  25   M  40   0 0.01    M    M 10.4 25 310   M    M   7 18     32 310
28  40  20  30   M  35   0 0.00  0.0    M 12.3 24 320   M    M   7        30 320
29  30  22  26   M  39   0 0.00  0.0    0  5.6 14  20   M    M   5        16 340
30  35  27  31   M  34   0 0.07    M    M  4.7  9 180   M    M   9 1      13 170
31  36  19  28   M  37   0 0.00  0.0    0  8.9 21 310   M    M   6 18     24 320
================================================================================
SM 1229  767      1009   0  3.84     0.0 256.1          M      180
================================================================================
AV 39.6 24.7                               8.3 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 32 260               # 45  260
================================================================================
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:     2009
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 32.2   TOTAL FOR MONTH:   3.84    1 = FOG OR MIST
DPTR FM NORMAL:     M   DPTR FM NORMAL:       M    2 = FOG REDUCING VISIBILITY
HIGHEST:    56 ON  1    GRTST 24HR  1.37 ON 24-25      TO 1/4 MILE OR LESS
LOWEST:     10 ON 10                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR     0.0         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:   7    0.01 INCH OR MORE:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:  28    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.  1009    CLEAR  (SCALE 0-3)  10
DPTR FM NORMAL     M    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1  1889    CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL     M

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     M    [PRESSURE DATA]
TOTAL FM JAN 1  1177    HIGHEST SLP 30.61 ON 16
DPTR FM NORMAL     M    LOWEST  SLP 29.19 ON  9

[REMARKS]
#FINAL-12-09#