National Weather Service United States Department of Commerce

The following are the January summaries for Jackson and London as well as the

January Local Climatological Data reports for Jackson and London:

 

...THE JACKSON KY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1981 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             78   01/31/2002
 LOW             -18   01/19/1994
                       01/21/1985
                       01/20/1985
HIGHEST           58   01/29         66      -8       64  01/26
                       01/31
LOWEST             0   01/22          4      -4        2  01/17
                                                          01/21
AVG. MAXIMUM    37.6               44.2    -6.6     42.0
AVG. MINIMUM    22.4               27.4    -5.0     28.0
MEAN            30.0               35.8    -5.8     35.0
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    10                6.7     3.3        7
DAYS MIN <= 32    26               20.9     5.1       19
DAYS MIN <= 0      1                0.4     0.6        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.71   2022
 MINIMUM        0.80   1981
TOTALS          4.67               3.96    0.71     4.77
DAILY AVG.      0.15               0.13    0.02     0.15
DAYS >= .01       12               14.4    -2.4       17
DAYS >= .10        7                7.9    -0.9       11
DAYS >= .50        3                2.6     0.4        3
DAYS >= 1.00       2                1.0     1.0        1
GREATEST
 24 HR. TOTAL   1.97   01/30 TO 01/31               1.42

SNOWFALL (INCHES)
RECORDS
 TOTAL          26.3   1994
TOTALS          14.8                7.4     7.4     13.9
SINCE 7/1       20.2               12.3     7.9     14.3
SNOWDEPTH AVG.     1                                   1
DAYS >= 1.0        5                2.1     2.9        3
GREATEST
 SNOW DEPTH        4   01/11                           7
 24 HR TOTAL     4.3   01/19                         6.5

DEGREE DAYS
HEATING TOTAL   1078                905     173      922
 SINCE 7/1      2326               2477    -151     2178
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0        0
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.8
HIGHEST WIND SPEED/DIRECTION    21/310    DATE  01/03
HIGHEST GUST SPEED/DIRECTION    35/280    DATE  01/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.53
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               1
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN                8     FREEZING RAIN              2
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               15     SLEET                      1
FOG                      12     FOG W/VIS <= 1/4 MILE      4
HAZE                      3

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$

 

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

                                          STATION:   JACKSON KY
                                          MONTH:     JANUARY
                                          YEAR:      2025
                                          LATITUDE:   37 35 N
                                          LONGITUDE:  83 19 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  38  30  34  -2  31   0 0.07    T    0  6.6 17 290   M    M  10 1      31 290
 2  42  30  36   0  29   0 0.00  0.0    0  4.1 12 270   M    M   6        19 310
 3  38  25  32  -4  33   0 0.01    T    0  8.0 21 310   M    M   8        34 290
 4  34  20  27  -9  38   0    T    T    0  6.1 13 280   M    M   3        22 280
 5  33  24  29  -7  36   0 1.64  3.8    0  1.6  8 130   M    M  10 12346   20 100
 6  33  23  28  -8  37   0 0.29  1.2    2  5.9 16 310   M    M  10 126    24 300
 7  24  20  22 -14  43   0    T  0.2    2  3.5 14 330   M    M  10 1      22 330
 8  23  15  19 -17  46   0 0.05  2.0    2  3.5 10 290   M    M  10 1      19 270
 9  25  15  20 -16  45   0    T    T    2  1.5  7 260   M    M   6 18     10 260
10  28  16  22 -14  43   0 0.23  2.9    2  1.5  6 220   M    M   7 1      10 230
11  32  24  28  -8  37   0 0.02  0.3    4  5.3 13 280   M    M   7 16     26 280
12  41  21  31  -5  34   0 0.00  0.0    3  3.9 10 240   M    M   1        17 220
13  42  23  33  -2  32   0 0.00  0.0    3  5.7 14 290   M    M   6        22 250
14  38  15  27  -8  38   0 0.00  0.0    3  6.7 17 320   M    M   3        35 280
15  28  10  19 -16  46   0 0.00  0.0    2  1.2  7 250   M    M   1        12  20
16  45  21  33  -2  32   0    T    T    2  7.0 16 240   M    M   5        30 280
17  52  28  40   5  25   0 0.00  0.0    1  4.3 10 200   M    M   1        17 200
18  47  34  41   6  24   0 0.14  0.0    1  5.5 18 240   M    M   9 12     33 230
19  34  15  25 -10  40   0 0.24  4.3    T  6.5 16 310   M    M  10 12     28 310
20  15   3   9 -27  56   0    T    T    2  4.2 13 310   M    M   5 8      23 300
21  18   4  11 -25  54   0 0.01  0.1    2  3.3 12 300   M    M   7 8      17 310
22  25   0  13 -23  52   0 0.00  0.0    2  2.1  9 210   M    M   0        13 200
23  35  19  27  -9  38   0    T    T    1  5.0 10 240   M    M   5        19 240
24  31  22  27  -9  38   0 0.00  0.0    1  3.7  9 250   M    M   6        14 250
25  45  19  32  -4  33   0 0.00  0.0    1  6.4 12 220   M    M   0        20 270
26  49  37  43   7  22   0 0.00  0.0    T  5.4 10 230   M    M   4        23 260
27  48  31  40   4  25   0    T    T    0  3.9 13 280   M    M   2        20 270
28  52  32  42   6  23   0 0.00  0.0    0  8.4 15 220   M    M   1        28 220
29  58  41  50  14  15   0 0.00  0.0    0  8.1 20 280   M    M   0        34 270
30  56  33  45   9  20   0 0.70  0.0    0  2.6 10 190   M    M   4 1      15 180
31  58  45  52  15  13   0 1.27  0.0    0  7.0 18 180   M    M   9 1      31 170
================================================================================
SM 1167  695      1078   0  4.67 14.8    148.5          M      166
================================================================================
AV 37.6 22.4                               4.8 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    21 310                 35 280
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   JACKSON KY
                                          MONTH:     JANUARY
                                          YEAR:      2025
                                          LATITUDE:   37 35 N
                                          LONGITUDE:  83 19 W

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

AVERAGE MONTHLY: 30.0   TOTAL FOR MONTH:   4.67    1 = FOG OR MIST
DPTR FM NORMAL:  -5.8   DPTR FM NORMAL:    0.71    2 = FOG REDUCING VISIBILITY
HIGHEST:    58 ON 31,29  GRTST 24HR  2.36 ON 30-31      TO 1/4 MILE OR LESS
LOWEST:      0 ON 22                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  14.8 INCHES  5 = HAIL
                        GRTST 24HR   4.3 ON 19-19  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   4 ON 11     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:  10    0.01 INCH OR MORE:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:  26    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   1    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.  1078    CLEAR  (SCALE 0-3)   9
DPTR FM NORMAL   173    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  2326    CLOUDY (SCALE 8-10)  8
DPTR FM NORMAL  -151

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.62 ON 21
DPTR FM NORMAL     0    LOWEST  SLP 29.60 ON  6

[REMARKS]
#FINAL-01-25#

 

...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1954 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             74   01/31/2002
                       01/22/1999
                       01/24/1972
 LOW             -25   01/19/1994
HIGHEST           57   01/29         MM      MM       64  01/25
                       01/31
LOWEST             0   01/22         MM      MM       -6  01/21
AVG. MAXIMUM    38.5               45.2    -6.7     42.2
AVG. MINIMUM    20.4               26.7    -6.3     24.6
MEAN            29.4               36.0    -6.6     33.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    10                4.9     5.1        5
DAYS MIN <= 32    29               21.2     7.8       22
DAYS MIN <= 0      1                0.5     0.5        3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.09   1957
 MINIMUM        1.07   1981
TOTALS          4.61               3.89    0.72     5.18
DAILY AVG.      0.15               0.13    0.02     0.17
DAYS >= .01       10               11.8    -1.8       17
DAYS >= .10        6                7.0    -1.0       10
DAYS >= .50        3                3.0     0.0        4
DAYS >= 1.00       3                1.0     2.0        1
GREATEST
 24 HR. TOTAL   2.56   01/30 TO 01/31               1.80

SNOWFALL (INCHES)
RECORDS
 TOTAL          17.6   1978
TOTALS            MM                 MM      MM       MM
SINCE 7/1         MM                 MM      MM       MM
SNOWDEPTH AVG.    MM                                  MM
DAYS >= 1.0       MM                 MM      MM       MM
GREATEST
 SNOW DEPTH       MM                                  MM
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL   1096                900     196      972
 SINCE 7/1      2443               2540     -97     2375
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0        0
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.6
HIGHEST WIND SPEED/DIRECTION    25/280    DATE  01/03
HIGHEST GUST SPEED/DIRECTION    41/280    DATE  01/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.51
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               1
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN                6     FREEZING RAIN              1
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW               12     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$

 

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

                                          STATION:   LONDON KY
                                          MONTH:     JANUARY
                                          YEAR:      2025
                                          LATITUDE:   37  4 N
                                          LONGITUDE:  84  5 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  40  28  34  -3  31   0 0.07    M    M  8.8 20 290   M    M  10 1      26 300
 2  41  29  35  -2  30   0 0.00    M    M  4.4 12 240   M    M   6        17 230
 3  38  25  32  -4  33   0 0.01    M    M  9.2 25 280   M    M   7 1      41 280
 4  34  20  27  -9  38   0 0.00    M    M  5.6 15 280   M    M   2        19 290
 5  33  24  29  -7  36   0 1.17    M    M  5.1 14 350   M    M  10 1236   19  10
 6  42  25  34  -2  31   0 0.15    M    M 11.1 23 280   M    M  10 16     32 290
 7  25  21  23 -13  42   0    T    M    M  6.3 13 360   M    M  10 1      20  40
 8  24  19  22 -14  43   0    T    M    M  5.8 14 300   M    M  10 1      22 290
 9  29  15  22 -14  43   0    T    M    M  2.7 12 280   M    M   5 18     14 260
10  29  20  25 -11  40   0 0.26    M    M  2.6  6 210   M    M   7 1      10 210
11  30  27  29  -7  36   0 0.01    M    M  5.9 18 290   M    M  10 16     27 300
12  41  15  28  -8  37   0 0.00    M    M  4.1 14 230   M    M   2 1      18 220
13  40  22  31  -5  34   0 0.00    M    M  6.1 17 270   M    M   6        24 270
14  40  14  27  -9  38   0 0.00    M    M  7.1 20 260   M    M   1        27 250
15  32  12  22 -14  43   0 0.00    M    M  2.3 13  30   M    M   0        17  30
16  47  18  33  -3  32   0 0.00    M    M  6.9 22 260   M    M   3        33 240
17  52  20  36   0  29   0 0.00    M    M  4.1 13 200   M    M   0        19 140
18  48  35  42   6  23   0 0.18    M    M  6.5 21 240   M    M  10 1      29 220
19  35  14  25 -11  40   0 0.07    M    M 10.3 18 290   M    M  10 1      31 330
20  17   2  10 -26  55   0    T    M    M  3.9 14 310   M    M   4 1      20 300
21  20   6  13 -23  52   0    T    M    M  4.4 14 260   M    M   6        22 280
22  28   0  14 -22  51   0 0.00    M    M  2.4  9 190   M    M   0        14 130
23  37  12  25 -11  40   0 0.00    M    M  5.3 15 280   M    M   4        22 270
24  30  16  23 -13  42   0    T    M    M  3.3 12 260   M    M   5 1      15 250
25  46  13  30  -6  35   0 0.00    M    M  4.2 16 250   M    M   0        22 250
26  50  28  39   3  26   0 0.00    M    M  4.2 15 250   M    M   5        19 260
27  47  29  38   2  27   0 0.00    M    M  4.9 15 280   M    M   3        20 280
28  53  24  39   3  26   0 0.00    M    M  7.4 18 240   M    M   0        28 250
29  57  31  44   8  21   0 0.00    M    M  7.6 21 270   M    M   0        27 250
30  51  25  38   2  27   0 1.14    M    M  2.7 10 350   M    M   5 1      15 110
31  57  43  50  13  15   0 1.55    M    M  7.1 23 300   M    M   8 1      37 290
================================================================================
SM 1193  632      1096   0  4.61    M    172.3          M      159
================================================================================
AV 38.5 20.4                               5.6 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    25 280                 41 280
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   LONDON KY
                                          MONTH:     JANUARY
                                          YEAR:      2025
                                          LATITUDE:   37  4 N
                                          LONGITUDE:  84  5 W

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

AVERAGE MONTHLY: 29.4   TOTAL FOR MONTH:   4.61    1 = FOG OR MIST
DPTR FM NORMAL:  -6.6   DPTR FM NORMAL:    0.72    2 = FOG REDUCING VISIBILITY
HIGHEST:    57 ON 31,29  GRTST 24HR  2.13 ON 30-31      TO 1/4 MILE OR LESS
LOWEST:      0 ON 22                               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:  10    0.01 INCH OR MORE:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:  29    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   1    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.  1096    CLEAR  (SCALE 0-3)  10
DPTR FM NORMAL   196    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  2443    CLOUDY (SCALE 8-10)  8
DPTR FM NORMAL   -97

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.63 ON 21
DPTR FM NORMAL     0    LOWEST  SLP 29.59 ON  6

[REMARKS]
#FINAL-01-25#