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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
119
CXUS54 KMRX 121030
CF6CHA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHATTANOOGA AIRPORT
                                          MONTH:     MAY
                                          YEAR:      2025
                                          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  80  62  71   5   0   6 0.44  0.0    0  6.1 26 190   M    M   7 13     47 210
 2  81  60  71   5   0   6 1.77  0.0    0  5.3 20 150   M    M   7 13     31 170
 3  65  53  59  -8   6   0 1.02  0.0    0  4.1 20 280   M    M   7 13     31 290
 4  66  51  59  -8   6   0 0.11  0.0    0  6.0 18 240   M    M   7 1      24 240
 5  68  53  61  -6   4   0    T  0.0    0  4.3 14 220   M    M   8 1      20 240
 6  77  50  64  -3   1   0 0.00  0.0    0  3.2 15 280   M    M   5 1      22 260
 7  64  59  62  -6   3   0 0.04  0.0    0  2.7 12  10   M    M   8 18     14 360
 8  83  60  72   4   0   7 0.56    T    0  2.9 25 240   M    M   8 135    38 250
 9  77  58  68   0   0   3    T  0.0    0  5.4 18 360   M    M   7 12     28  10
10  65  59  62  -6   3   0 0.29  0.0    0  7.7 15  10   M    M   7 1      21  20
11  78  58  68  -1   0   3 1.54  0.0    0  5.4 22 140   M    M   9 1      34 130
================================================================================
SM  804  623        23  25  5.77    T     53.1          M       80
================================================================================
AV 73.1 56.6                               4.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    26 190                 47 210
================================================================================
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 AIRPORT
                                          MONTH:     MAY
                                          YEAR:      2025
                                          LATITUDE:   35  1 N
                                          LONGITUDE:  85 12 W

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

AVERAGE MONTHLY: 64.9   TOTAL FOR MONTH:   5.77    1 = FOG OR MIST
DPTR FM NORMAL:  -2.5   DPTR FM NORMAL:    4.17    2 = FOG REDUCING VISIBILITY
HIGHEST:    83 ON  8    GRTST 24HR  2.22 ON  2- 3      TO 1/4 MILE OR LESS
LOWEST:     50 ON  6                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  T            5 = HAIL
                        GRTST 24HR   T   ON  8- 8  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:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.    23    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL     5    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  2626    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL  -388

[CDD (BASE 65) ]
TOTAL THIS MO.    25
DPTR FM NORMAL   -19    [PRESSURE DATA]
TOTAL FM JAN 1   132    HIGHEST SLP M ON M
DPTR FM NORMAL    27    LOWEST  SLP 29.76 ON  3

[REMARKS]