WFO Monthly/Daily Climate Data
Issued by NWS Huntsville, AL

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305
CXUS54 KHUN 181015
CF6HSV
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   HUNTSVILLE
                                          MONTH:     JANUARY
                                          YEAR:      2018
                                          LATITUDE:   34 39 N
                                          LONGITUDE:  86 46 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  25  12  19 -23  46   0    T    T    0 12.9 23  40   M    M   2        26  50
 2  32   8  20 -22  45   0 0.00  0.0    0  7.0 21  10   M    M   3        24  10
 3  37  19  28 -13  37   0 0.00  0.0    0  4.7 13 320   M    M   5        17 320
 4  30  17  24 -17  41   0 0.00  0.0    0  8.0 17 330   M    M   0        24 330
 5  37  13  25 -16  40   0 0.00  0.0    0  3.5 10 250   M    M   2        15 300
 6  38  17  28 -13  37   0 0.00  0.0    0  5.4 10  20   M    M   0        14  10
 7  46  22  34  -7  31   0 0.00  0.0    0 12.0 21 130   M    M   6        26 140
 8  45  34  40  -1  25   0 1.00  0.0    0  7.0 18 170   M    M  10 1      24 160
 9  55  39  47   6  18   0 0.02  0.0    0  5.5 13 110   M    M   9 12     17 130
10  66  47  57  16   8   0    T  0.0    0  9.1 21 150   M    M   8 1      26 150
11  70  58  64  23   1   0 0.01  0.0    0 13.3 21 150   M    M  10 1      27 150
12  64  25  45   4  20   0 0.12    T    0 15.1 25 270   M    M   9 1      32 270
13  29  20  25 -16  40   0 0.00  0.0    0 12.9 21 340   M    M   7        28 340
14  38  17  28 -13  37   0 0.00  0.0    0  5.5 14  20   M    M   3        17  10
15  51  27  39  -2  26   0 0.00  0.0    0  5.3 18 240   M    M   4        26 250
16  34  11  23 -18  42   0 0.04  0.4    0  9.9 20  20   M    M   7 1      24 360
17  25   7  16 -25  49   0    T    T    T  8.6 17 340   M    M   3 8      22 340
================================================================================
SM  722  393       543   0  1.19     0.4 145.7          M       88
================================================================================
AV 42.5 23.1                               8.6 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 25 270               # 32  270
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  HUNTSVILLE
                                          MONTH:    JANUARY
                                          YEAR:     2018
                                          LATITUDE:   34 39 N
                                          LONGITUDE:  86 46 W

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

AVERAGE MONTHLY: 32.8   TOTAL FOR MONTH:   1.19    1 = FOG OR MIST
DPTR FM NORMAL:  -8.3   DPTR FM NORMAL:   -1.52    2 = FOG REDUCING VISIBILITY
HIGHEST:    70 ON 11    GRTST 24HR  1.00 ON  8- 8      TO 1/4 MILE OR LESS
LOWEST:      7 ON 17                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.4 INCH    5 = HAIL
                        GRTST 24HR   0.4 ON 16-16  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   T           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:   5    0.01 INCH OR MORE:   5
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:  13    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   543    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL   135    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1  1679    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL    90

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.59 ON 12

[REMARKS]



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