National Weather Service Weather Forecast Office

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

000
CXUS53 KILX 010900
CF6MTO
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MATTOON IL AIRPORT
                                          MONTH:     AUGUST
                                          YEAR:      2021
                                          LATITUDE:   39 28 N
                                          LONGITUDE:  88 17 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  81  58  70  -5   0   5 0.00    M    M  7.1 15 290   M    M   2 18     20 290
 2  78  55  67  -8   0   2 0.00    M    M  4.0 14  40   M    M   1 1      20  60
 3  80  56  68  -7   0   3 0.00    M    M  4.6 12  40   M    M   0        18  20
 4  83  59  71  -4   0   6    T    M    M  2.0 10  50   M    M   2        16  30
 5  82  58  70  -5   0   5 0.00    M    M  3.5 10 220   M    M   1        15 150
 6  82  67  75   0   0  10 0.00    M    M  6.9 14 190   M    M   2        20 230
 7  86  69  78   3   0  13 0.00    M    M  7.5 14 190   M    M   0        20 170
 8  87  70  79   4   0  14 0.13    M    M  8.7 20 280   M    M   1 138    26 280
 9  83  69  76   1   0  11 0.63    M    M 11.7 21 180   M    M   4 13     30 170
10  89  73  81   6   0  16 0.34    M    M  8.6 25 230   M    M   2 3      44 250
11  89  74  82   8   0  17    T    M    M 10.5 16 200   M    M   2        29 200
12  91  70  81   7   0  16 0.24    M    M  8.2 32 330   M    M   2 13     46 340
13  84  70  77   3   0  12 0.00    M    M  5.6 16 360   M    M   2        21  10
14  82  62  72  -2   0   7 0.00    M    M  5.6 10  30   M    M   1        15  70
15  80  58  69  -5   0   4 0.00    M    M  5.2 14  30   M    M   1        17  40
16  82  63  73  -1   0   8 0.00    M    M  3.4 12  50   M    M   5        14  50
17  86  65  76   2   0  11 0.00    M    M  1.8  9 100   M    M   5 12     14 130
18  86  67  77   3   0  12 0.00    M    M  2.4  8 230   M    M   2 18     11 200
19  88  68  78   4   0  13 0.00    M    M  2.0  7 150   M    M   3 18     10 240
20  87  66  77   3   0  12 0.00    M    M  3.6 10 140   M    M   1 18     14 130
21  83  69  76   2   0  11 0.00    M    M  4.6 15 140   M    M   2 1      19 130
22  90  69  80   7   0  15 0.00    M    M  4.3  9 290   M    M   4 12     12 350
23  91  66  79   6   0  14 0.00    M    M  3.3 10 190   M    M   0 1      16 180
24  92  71  82   9   0  17 0.14    M    M  7.3 30  10   M    M   1 13     39  10
25  93  70  82   9   0  17    T    M    M  6.5 20 300   M    M   1 3      25 300
26  87  69  78   5   0  13 0.48    M    M  5.1 18 320   M    M   5 13     27 250
27  90  67  79   6   0  14 0.00    M    M  5.3 15 160   M    M   1 13     24 160
28  90  72  81   9   0  16 0.00    M    M  6.8 13 190   M    M   1 1      19 190
29  90  74  82  10   0  17 0.00    M    M  5.6 13 190   M    M   1        20 210
30  88  67  78   6   0  13 0.99    M    M  4.2 32 320   M    M   4 123    48 310
31  86  67  77   5   0  12    T    M    M  5.8 15  70   M    M   6 12     20  80
================================================================================
SM 2666 2058         0 356  2.95    M    171.7          M       65
================================================================================
AV 86.0 66.4                               5.5 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->  # 32 330                 48 310
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   MATTOON IL AIRPORT
                                          MONTH:     AUGUST
                                          YEAR:      2021
                                          LATITUDE:   39 28 N
                                          LONGITUDE:  88 17 W

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

AVERAGE MONTHLY: 76.2   TOTAL FOR MONTH:   2.95    1 = FOG OR MIST
DPTR FM NORMAL:   2.3   DPTR FM NORMAL:    0.53    2 = FOG REDUCING VISIBILITY
HIGHEST:    93 ON 25    GRTST 24HR  0.99 ON 30-30      TO 1/4 MILE OR LESS
LOWEST:     55 ON  2                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    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:   8    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)  24
DPTR FM NORMAL    -3    PTCLDY (SCALE 4-7)   7
TOTAL FM JUL 1     2    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL     1

[CDD (BASE 65) ]
TOTAL THIS MO.   356
DPTR FM NORMAL    79    [PRESSURE DATA]
TOTAL FM JAN 1  1079    HIGHEST SLP 30.23 ON 14
DPTR FM NORMAL   121    LOWEST  SLP 29.67 ON 31

[REMARKS]
#FINAL-08-21#