January 2021 was warmer than normal across eastern Kentucky. Jackson averaged 36.9 degrees which is
two degrees above normal. London finished January 2021 with a reading of 36.7 degrees which is a little
over one degree warmer than normal. Jackson totaled 3.55 inches of precipitation for January which is only
0.06" below normal. London measured 2.82 inches of precipitation for January 2021 which is nearly three
quarters of an inch drier than normal. Also of note, Jackson set a daily and monthly precipitation of 2.19
inches on January 25th. Climate data for Jackson dates back to 1981 while weather records began in 1954 at London.
The following are the January climate 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 2021...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1981 TO 2021
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 63 01/01 66 -3 74 01/11
LOWEST 19 01/29 4 15 15 01/20
AVG. MAXIMUM 43.3 43.1 0.2 49.1
AVG. MINIMUM 30.5 26.8 3.7 34.5
MEAN 36.9 34.9 2.0 41.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 2 6.1 -4.1 2
DAYS MIN <= 32 20 20.7 -0.7 12
DAYS MIN <= 0 0 0.5 -0.5 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.28 1994
MINIMUM 0.80 1981
TOTALS 3.55 3.61 -0.06 3.37
DAILY AVG. 0.11 0.12 -0.01 0.11
DAYS >= .01 17 14.1 2.9 11
DAYS >= .10 7 7.3 -0.3 8
DAYS >= .50 1 2.4 -1.4 2
DAYS >= 1.00 1 0.8 0.2 1
GREATEST
24 HR. TOTAL 2.21 01/25 TO 01/26 1.09
SNOWFALL (INCHES)
RECORDS
TOTAL 26.3 1994
TOTALS 6.4 7.1 -0.7 1.3
SINCE 7/1 17.4 12.6 4.8 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 2 2.2 -0.2 1
GREATEST
SNOW DEPTH 2 01/17 -1
01/28
24 HR TOTAL 2.4 01/16 TO 01/16 1.2
DEGREE DAYS
HEATING TOTAL 862 932 -70 711
SINCE 7/1 2258 2566 -308 2204
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
................................................................
WIND (MPH)
AVERAGE WIND SPEED 4.1
HIGHEST WIND SPEED/DIRECTION 18/290 DATE 01/15
HIGHEST GUST SPEED/DIRECTION 30/270 DATE 01/02
30/290 01/15
30/030 01/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.58
NUMBER OF DAYS FAIR 8
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 12
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 3
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 3
LIGHT SNOW 12 SLEET 1
FOG 18 FOG W/VIS <= 1/4 MILE 8
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: 2021
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 63 35 49 14 16 0 0.11 0.0 0 6.9 17 280 M M 8 12 30 290
2 54 41 48 13 17 0 0.01 0.0 0 3.3 17 260 M M 8 30 270
3 43 36 40 5 25 0 0.08 0.0 0 4.0 13 260 M M 10 1 20 270
4 48 33 41 6 24 0 T 0.0 0 3.0 8 240 M M 7 12 15 250
5 42 31 37 2 28 0 0.05 T 0 4.9 14 300 M M 10 1 21 300
6 35 32 34 -1 31 0 T T T 1.2 6 40 M M 10 9 260
7 38 32 35 0 30 0 0.00 0.0 0 3.3 9 110 M M 7 20 80
8 36 31 34 -1 31 0 0.01 T T 3.8 9 330 M M 10 1 14 20
9 31 28 30 -5 35 0 T T 0 2.1 7 340 M M 10 11 320
10 43 23 33 -2 32 0 0.00 0.0 0 1.0 8 130 M M 0 14 130
11 37 27 32 -3 33 0 0.00 0.0 0 1.7 7 330 M M 5 18 10 340
12 43 27 35 0 30 0 0.00 0.0 0 4.4 10 260 M M 5 8 14 260
13 47 27 37 2 28 0 0.00 0.0 0 5.1 8 180 M M 0 14 170
14 53 32 43 8 22 0 0.00 0.0 0 5.3 13 190 M M 1 8 24 170
15 47 34 41 6 24 0 0.19 0.1 0 5.0 18 290 M M 7 12 30 290
16 35 30 33 -2 32 0 0.20 2.4 1 5.3 14 270 M M 4 12 24 300
17 38 32 35 0 30 0 0.03 0.4 2 5.0 12 280 M M 0 1 20 220
18 34 30 32 -3 33 0 0.01 0.3 1 4.5 15 270 M M 0 1 25 250
19 51 33 42 7 23 0 0.00 0.0 0 4.4 13 270 M M 5 22 250
20 42 33 38 3 27 0 0.00 0.0 0 6.1 16 280 M M 5 27 270
21 44 33 39 4 26 0 0.06 0.3 T 5.4 13 230 M M 7 12 24 230
22 45 30 38 3 27 0 0.00 0.0 0 5.1 15 310 M M 2 1 23 280
23 39 20 30 -5 35 0 0.00 0.0 0 3.0 7 70 M M 0 14 90
24 42 27 35 0 30 0 0.01 0.0 0 1.2 7 60 M M 9 14 80
25 53 37 45 10 20 0 2.19 0.0 0 3.3 14 20 M M 10 123 30 30
26 62 42 52 17 13 0 0.02 0.0 0 7.8 17 240 M M 5 1 29 220
27 42 29 36 1 29 0 0.18 2.0 0 4.1 10 330 M M 10 12 18 340
28 29 21 25 -11 40 0 0.02 0.3 2 4.9 12 320 M M 9 1 20 360
29 36 19 28 -8 37 0 0.00 0.0 1 1.2 6 80 M M 1 11 70
30 39 24 32 -4 33 0 0.20 0.6 T 2.7 13 240 M M 5 12 23 240
31 52 36 44 8 21 0 0.18 T T 7.5 15 290 M M 10 14 24 280
================================================================================
SM 1343 945 862 0 3.55 6.4 126.5 M 180
================================================================================
AV 43.3 30.5 4.1 FASTST M M 6 MAX(MPH)
MISC ----> 18 290 # 30 290
================================================================================
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: 2021
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 36.9 TOTAL FOR MONTH: 3.55 1 = FOG OR MIST
DPTR FM NORMAL: 2.0 DPTR FM NORMAL: -0.06 2 = FOG REDUCING VISIBILITY
HIGHEST: 63 ON 1 GRTST 24HR 2.21 ON 25-26 TO 1/4 MILE OR LESS
LOWEST: 19 ON 29 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 6.4 INCHES 5 = HAIL
GRTST 24HR 2.4 ON 16-16 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 2 ON 28,17 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: 2 0.01 INCH OR MORE: 17
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7
MIN 32 OR BELOW: 20 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 862 CLEAR (SCALE 0-3) 8
DPTR FM NORMAL -70 PTCLDY (SCALE 4-7) 12
TOTAL FM JUL 1 2258 CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL -303
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 0 HIGHEST SLP 30.58 ON 28
DPTR FM NORMAL 0 LOWEST SLP 29.56 ON 15
[REMARKS]
#FINAL-01-21#
London Kentucky data:
...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2021...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1954 TO 2021
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 65 01/01 MM MM 73 01/11
LOWEST 17 01/29 MM MM 15 01/22
AVG. MAXIMUM 44.0 44.8 -0.8 49.3
AVG. MINIMUM 29.5 26.4 3.1 33.9
MEAN 36.7 35.6 1.1 41.6
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 2 4.6 -2.6 2
DAYS MIN <= 32 24 21.7 2.3 12
DAYS MIN <= 0 0 0.6 -0.6 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.09 1957
MINIMUM 1.07 1981
TOTALS 2.82 3.54 -0.72 5.27
DAILY AVG. 0.09 0.11 -0.02 0.17
DAYS >= .01 13 11.3 1.7 14
DAYS >= .10 6 6.9 -0.9 9
DAYS >= .50 1 2.5 -1.5 5
DAYS >= 1.00 1 0.8 0.2 1
GREATEST
24 HR. TOTAL 1.98 01/25 TO 01/26 1.68
SNOWFALL (INCHES)
RECORDS
TOTAL 17.6 1978
TOTALS MM 4.5 MM MM
SINCE 7/1 MM 5.6 MM MM
SNOWDEPTH AVG. MM MM
DAYS >= 1.0 MM 1.9 MM MM
GREATEST
SNOW DEPTH MM MM
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 868 911 -43 716
SINCE 7/1 2400 2563 -163 2258
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
................................................................
WIND (MPH)
AVERAGE WIND SPEED 5.8
HIGHEST WIND SPEED/DIRECTION 24/270 DATE 01/01
HIGHEST GUST SPEED/DIRECTION 38/170 DATE 01/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.65
NUMBER OF DAYS FAIR 7
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 17
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 5
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 8 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 1
HAZE 4
- 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: 2021
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 65 39 52 16 13 0 0.11 M M 8.6 24 270 M M 8 1 38 170
2 53 41 47 11 18 0 0.03 M M 4.7 16 270 M M 8 1 25 280
3 42 36 39 3 26 0 0.01 M M 8.1 18 260 M M 10 1 24 250
4 50 26 38 2 27 0 0.00 M M 1.6 12 250 M M 3 1 15 270
5 43 34 39 3 26 0 T M M 6.5 15 280 M M 10 1 21 280
6 36 31 34 -1 31 0 0.00 M M 4.1 12 90 M M 9 15 100
7 38 32 35 0 30 0 T M M 8.2 14 30 M M 7 21 30
8 35 31 33 -2 32 0 0.03 M M 6.8 13 50 M M 10 18 18 40
9 31 28 30 -5 35 0 0.00 M M 5.4 10 30 M M 10 13 330
10 39 26 33 -2 32 0 0.00 M M 2.1 8 90 M M 6 12 100
11 35 26 31 -4 34 0 T M M 0.8 6 20 M M 8 18 8 30
12 41 22 32 -3 33 0 T M M 4.2 9 250 M M 6 18 14 250
13 46 18 32 -3 33 0 0.00 M M 3.8 12 180 M M 0 1 16 190
14 50 27 39 4 26 0 0.00 M M 6.7 17 180 M M 0 25 180
15 46 30 38 3 27 0 0.07 M M 7.1 23 260 M M 8 34 250
16 34 31 33 -2 32 0 0.03 M M 9.0 20 270 M M 10 18 34 280
17 40 32 36 1 29 0 T M M 7.2 17 240 M M 10 24 270
18 38 27 33 -2 32 0 0.01 M M 5.3 13 230 M M 8 1 18 250
19 54 27 41 6 24 0 0.00 M M 5.2 16 240 M M 5 22 240
20 43 29 36 1 29 0 0.00 M M 6.8 15 250 M M 1 24 280
21 42 31 37 1 28 0 0.11 M M 5.9 14 240 M M 7 1 19 260
22 47 27 37 1 28 0 0.00 M M 5.2 16 290 M M 4 12 22 250
23 41 21 31 -5 34 0 0.00 M M 5.7 12 90 M M 0 17 70
24 50 29 40 4 25 0 T M M 4.3 13 210 M M 9 1 19 210
25 55 42 49 13 16 0 1.83 M M 4.1 22 340 M M 10 13 33 340
26 62 43 53 17 12 0 0.15 M M 9.9 23 250 M M 3 1 31 260
27 43 31 37 1 28 0 0.04 M M 8.1 14 350 M M 10 1 22 340
28 31 23 27 -9 38 0 T M M 8.7 17 360 M M 8 25 350
29 37 17 27 -9 38 0 0.00 M M 1.0 7 100 M M 0 10 80
30 43 22 33 -3 32 0 0.18 M M 3.7 18 150 M M 6 1 32 150
31 54 35 45 8 20 0 0.22 M M 10.6 21 270 M M 10 1 29 280
================================================================================
SM 1364 914 868 0 2.82 M 179.4 M 204
================================================================================
AV 44.0 29.5 5.8 FASTST M M 7 MAX(MPH)
MISC ----> 24 270 38 170
================================================================================
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: 2021
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 36.7 TOTAL FOR MONTH: 2.82 1 = FOG OR MIST
DPTR FM NORMAL: 1.1 DPTR FM NORMAL: -0.72 2 = FOG REDUCING VISIBILITY
HIGHEST: 65 ON 1 GRTST 24HR 2.34 ON 25-26 TO 1/4 MILE OR LESS
LOWEST: 17 ON 29 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: 2 0.01 INCH OR MORE: 13
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6
MIN 32 OR BELOW: 24 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 868 CLEAR (SCALE 0-3) 7
DPTR FM NORMAL -43 PTCLDY (SCALE 4-7) 12
TOTAL FM JUL 1 2400 CLOUDY (SCALE 8-10) 12
DPTR FM NORMAL -167
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 0 HIGHEST SLP 30.61 ON 28
DPTR FM NORMAL 0 LOWEST SLP 29.59 ON 15
[REMARKS]
#FINAL-01-21#
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