WFO Monthly/Daily Climate Data
Issued by NWS Knoxville/Tri Cities, TN

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000
CXUS54 KMRX 231000
CF6CHA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHATTANOOGA  ASOS
                                          MONTH:     SEPTEMBER
                                          YEAR:      2017
                                          LATITUDE:   35  1 N
                                          LONGITUDE:  85 12 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  76  62  69  -8   0   4 0.59  0.0    0 13.4 29 200   M    M   8 18     38 200
 2  81  60  71  -6   0   6    T  0.0    0  6.8 20 260   M    M   6        26 250
 3  85  56  71  -6   0   6 0.00  0.0    0  1.8  9  20   M    M   3 18     11  20
 4  87  61  74  -2   0   9 0.00  0.0    0  2.6 13 190   M    M   2 1      17 190
 5  87  65  76   0   0  11 0.61  0.0    0  5.1 29 310   M    M   6 138    40 320
 6  76  55  66 -10   0   1 0.00  0.0    0  6.1 18 350   M    M   5        24 350
 7  76  51  64 -12   1   0 0.00  0.0    0  2.0  9 300   M    M   2        12 230
 8  78  52  65 -10   0   0 0.00  0.0    0  4.6 15  20   M    M   2        19  40
 9  81  59  70  -5   0   5 0.00  0.0    0  8.3 17  30   M    M   2        22  30
10  79  58  69  -6   0   4 0.00  0.0    0  6.5 15  10   M    M   4        23  30
11  65  58  62 -12   3   0 1.83  0.0    0 16.1 32  10   M    M   8 1      45  10
12  66  59  63 -11   2   0 0.19  0.0    0  7.4 24  30   M    M   9 18     32  20
13  64  60  62 -12   3   0 0.03  0.0    0  6.1 16 190   M    M  10 1      23 150
14  81  62  72  -1   0   7 0.01  0.0    0  1.1  8 210   M    M   7 1      11 230
15  84  62  73   0   0   8 0.00  0.0    0  0.6  8 130   M    M   6 12     10 120
16  88  61  75   3   0  10 0.00  0.0    0  1.5  9  50   M    M   4 12     12  30
17  89  64  77   5   0  12 0.00  0.0    0  1.7  9 360   M    M   3 1      11 360
18  88  63  76   4   0  11 0.00  0.0    0  1.6 10  30   M    M   2 1      11  30
19  88  64  76   5   0  11 0.32  0.0    0  1.7  8 330   M    M   3 13      M  M
20  89  66  78   7   0  13 0.00  0.0    0  1.0  7 290   M    M   5 128     8 280
21  88  69  79   8   0  14 0.00  0.0    0  3.0 12 310   M    M   3 13     14 300
22  90  66  78   8   0  13 0.00  0.0    0  1.9 10  30   M    M   2 1      16  30
================================================================================
SM 1786 1333         9 145  3.58     0.0 100.9          M      102
================================================================================
AV 81.2 60.6                               4.6 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 32  10               # 45   10
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  CHATTANOOGA  ASOS
                                          MONTH:    SEPTEMBER
                                          YEAR:     2017
                                          LATITUDE:   35  1 N
                                          LONGITUDE:  85 12 W

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

AVERAGE MONTHLY: 70.9   TOTAL FOR MONTH:   3.58    1 = FOG OR MIST
DPTR FM NORMAL:  -3.1   DPTR FM NORMAL:    0.68    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 22    GRTST 24HR  1.83 ON 11-11      TO 1/4 MILE OR LESS
LOWEST:     51 ON  7                               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:   7
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.     9    CLEAR  (SCALE 0-3)   9
DPTR FM NORMAL     5    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1     9    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL     5

[CDD (BASE 65) ]
TOTAL THIS MO.   145
DPTR FM NORMAL   -57    [PRESSURE DATA]
TOTAL FM JAN 1  1749    HIGHEST SLP M ON M
DPTR FM NORMAL    97    LOWEST  SLP 29.59 ON 12

[REMARKS]



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