WFO Monthly/Daily Climate Data
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CXUS53 KLSX 011400
CF6CPS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CAHOKIA/ST. LOUIS
                                          MONTH:     MAY
                                          YEAR:      2021
                                          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  85  52  69   7   0   4 0.00  0.0    0  9.5 16 180   M    M   0        31 180
 2  71  60  66   4   0   1 0.09  0.0    0  6.6 18 170   M    M   7        29 170
 3  85  61  73  11   0   8 0.03  0.0    0  6.4 23 360   M    M   7 8      29 360
 4  66  51  59  -4   6   0 0.25  0.0    0  9.6 23  10   M    M   9 13     30 360
 5  69  44  57  -6   8   0 0.00  0.0    0  3.0 14 330   M    M   2        18 330
 6  70  49  60  -3   5   0 0.02  0.0    0  7.5 31 330   M    M   5 3      42 340
 7  76  45  61  -3   4   0 0.00  0.0    0  8.4 23 290   M    M   3        32 310
 8  58  50  54 -10  11   0    T  0.0    0 10.8 20 130   M    M   8        27 130
 9  64  41  53 -11  12   0 0.15  0.0    0 10.4 23 330   M    M   8 13     30 330
10  62  35  49 -16  16   0 0.00  0.0    0  2.3 10  50   M    M   1 12     16  50
11  62  37  50 -15  15   0 0.00  0.0    0  7.0 17  40   M    M   4 1      23  30
12  66  43  55 -10  10   0 0.00  0.0    0  7.1 16  60   M    M   0        23  40
13  69  36  53 -13  12   0 0.00  0.0    0  2.5 13 100   M    M   1        19  70
14  73  37  55 -11  10   0 0.00  0.0    0  3.7 12 170   M    M   0        17 180
15  65  49  57  -9   8   0 0.01  0.0    0  4.1 12 150   M    M   7        15 140
16  76  52  64  -3   1   0 0.04  0.0    0  4.9 15 360   M    M   7        19 310
17  75  60  68   1   0   3 0.34  0.0    0  7.6 18 150   M    M   8 18     29 130
18  74  62  68   1   0   3 0.41  0.0    0 12.0 24 160   M    M  10 1      33 160
19  79  64  72   4   0   7 0.00  0.0    0 10.1 20 140   M    M   6 18     29 140
20  87  66  77   9   0  12 0.00  0.0    0 12.4 23 150   M    M   1 8      30 150
21  86  66  76   8   0  11 0.00  0.0    0  8.0 16 140   M    M   1        23 140
22  86  65  76   7   0  11 0.00  0.0    0  2.5 13 270   M    M   1        17 290
23  88  60  74   5   0   9 0.00  0.0    0  2.5  9 200   M    M   2 1      14 250
24  89  63  76   7   0  11 0.00  0.0    0  3.9 14 190   M    M   1        24 220
25  87  65  76   6   0  11 0.09  0.0    0  5.2 20 200   M    M   3 1      32 210
26  88  67  78   8   0  13 0.01  0.0    0  4.8 12  50   M    M   4 1      16  60
27  86  63  75   5   0  10 1.25  0.0    0  4.9 26 340   M    M   5 138    34 360
28  68  50  59 -11   6   0 0.01  0.0    0 12.1 23 320   M    M   9 1      31 330
29  65  45  55 -16  10   0 0.01  0.0    0  8.1 16 360   M    M   7 1      20 360
30  71  41  56 -15   9   0 0.00  0.0    0  3.5 12 140   M    M   0 1      15 140
31  77  50  64  -7   1   0 0.00  0.0    0  2.2 12 160   M    M   0        16 190
================================================================================
SM 2323 1629       144 114  2.71  0.0    203.6          M      127
================================================================================
AV 74.9 52.5                               6.6 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    31 330                 42 340
================================================================================
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
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   38 34 N
                                          LONGITUDE:  90  9 W

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

AVERAGE MONTHLY: 63.7   TOTAL FOR MONTH:   2.71    1 = FOG OR MIST
DPTR FM NORMAL:  -2.9   DPTR FM NORMAL:   -2.13    2 = FOG REDUCING VISIBILITY
HIGHEST:    89 ON 24    GRTST 24HR  1.26 ON 27-28      TO 1/4 MILE OR LESS
LOWEST:     35 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:   0    0.01 INCH OR MORE:  14
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   144    CLEAR  (SCALE 0-3)  14
DPTR FM NORMAL    63    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  4634    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL    92

[CDD (BASE 65) ]
TOTAL THIS MO.   114
DPTR FM NORMAL   -16    [PRESSURE DATA]
TOTAL FM JAN 1   130    HIGHEST SLP 30.44 ON 12
DPTR FM NORMAL   -31    LOWEST  SLP 29.48 ON  9

[REMARKS]
#FINAL-05-21#


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