WFO Monthly/Daily Climate Data
Issued by NWS St Louis, MO

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CXUS53 KLSX 011442
CF6STL

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

                                          STATION:   ST. LOUIS
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   38 45 N
                                          LONGITUDE:  90 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  86  56  71   8   0   6 0.00  0.0    0 11.5 24 240   M    M   5        33 250
 2  73  63  68   5   0   3 0.01  0.0    0 10.2 22 170   M    M  10        34 240
 3  86  63  75  12   0  10 0.12  0.0    0  7.5 21 340   M    M   8 13     29 330
 4  67  50  59  -5   6   0 0.08  0.0    0  9.5 17 350   M    M   9 1      25 360
 5  69  45  57  -7   8   0 0.00  0.0    0  4.5 13 330   M    M   4        21 310
 6  69  50  60  -4   5   0 0.01  0.0    0 10.4 30 330   M    M   6 3      39 330
 7  75  45  60  -5   5   0 0.00  0.0    0  9.9 28 280   M    M   4        35 310
 8  61  51  56  -9   9   0    T  0.0    0 15.2 23 120   M    M  10        30 110
 9  59  42  51 -14  14   0 0.17  0.0    0  9.7 23 310   M    M   9 13     35 340
10  63  40  52 -14  13   0 0.00  0.0    0  2.3  9  90   M    M   7 128    17 170
11  61  43  52 -14  13   0 0.00  0.0    0  7.3 20  70   M    M   7        28  90
12  65  45  55 -11  10   0 0.00  0.0    0  8.4 20  70   M    M   4        29  70
13  68  45  57  -9   8   0 0.00  0.0    0  3.8 12 120   M    M   2        17  90
14  73  45  59  -8   6   0 0.00  0.0    0  5.8 14 130   M    M   5        20 160
15  66  57  62  -5   3   0    T  0.0    0  8.1 16 140   M    M   9        24 220
16  76  56  66  -2   0   1 0.02  0.0    0  8.3 29 320   M    M   9 3      39 320
17  75  62  69   1   0   4 0.50  0.0    0 11.6 22 100   M    M  10 1      30 110
18  73  62  68   0   0   3 0.46  0.0    0 13.8 21 140   M    M  10 1      30 160
19  80  67  74   6   0   9    T  0.0    0 13.7 22 150   M    M   9        31 170
20  86  69  78   9   0  13 0.00  0.0    0 14.4 22 140   M    M   7        31 150
21  87  70  79  10   0  14 0.00  0.0    0 11.2 20 170   M    M   8        27 190
22  85  68  77   8   0  12 0.00  0.0    0  7.0 14 270   M    M   8        18 270
23  89  65  77   7   0  12 0.00  0.0    0  4.3 10 190   M    M   7        18 190
24  88  67  78   8   0  13 0.00  0.0    0  6.9 18 200   M    M   7        25 240
25  88  68  78   8   0  13 0.16  0.0    0 10.4 22 200   M    M   8 1      32 200
26  88  68  78   7   0  13 0.00  0.0    0  5.0 13  90   M    M   7 1      20 290
27  84  68  76   5   0  11 1.29  0.0    0  8.3 15 160   M    M  10 13     37 300
28  67  50  59 -12   6   0 0.04  0.0    0 11.4 22 320   M    M  10 1      30 310
29  64  49  57 -15   8   0    T  0.0    0  8.0 14  40   M    M   7        21 330
30  72  45  59 -13   6   0 0.00  0.0    0  4.4 13 100   M    M   5 1      17  60
31  77  57  67  -5   0   2 0.00  0.0    0  4.6 12  70   M    M   8        15 150
================================================================================
SM 2320 1731       120 139  2.86  0.0    267.4          M      229
================================================================================
AV 74.8 55.8                               8.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    30 330               # 39 330
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   ST. LOUIS
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   38 45 N
                                          LONGITUDE:  90 23 W

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

AVERAGE MONTHLY: 65.3   TOTAL FOR MONTH:   2.86    1 = FOG OR MIST
DPTR FM NORMAL:  -2.2   DPTR FM NORMAL:   -1.96    2 = FOG REDUCING VISIBILITY
HIGHEST:    89 ON 23    GRTST 24HR  1.29 ON 27-27      TO 1/4 MILE OR LESS
LOWEST:     40 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:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   120    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL    48    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  4356    CLOUDY (SCALE 8-10) 16
DPTR FM NORMAL   -73

[CDD (BASE 65) ]
TOTAL THIS MO.   139
DPTR FM NORMAL   -11    [PRESSURE DATA]
TOTAL FM JAN 1   174    HIGHEST SLP 30.45 ON 12
DPTR FM NORMAL   -21    LOWEST  SLP 29.46 ON  9

[REMARKS]
#FINAL-05-21#


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