An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through early Monday; A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the mid-Atlantic coast through Monday. This system is forecast to meander off the coast then track inland early this week. Read More >
The following are September climate summaries for Jackson and London as well as the September Local
Climatological Data reports for Jackson and London:
...THE JACKSON KY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1981 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 98 09/10/2019
LOW 34 09/24/1989
HIGHEST 87 09/03 89 -2 91 09/21
09/04
09/06
LOWEST 51 09/14 42 9 43 09/28
AVG. MAXIMUM 78.9 79.0 -0.1 77.7
AVG. MINIMUM 60.2 59.1 1.1 58.8
MEAN 69.5 69.1 0.4 68.2
DAYS MAX >= 90 0 2.1 -2.1 1
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.17 2018
MINIMUM T 2019
TOTALS 1.83 3.42 -1.59 1.31
DAILY AVG. 0.06 0.11 -0.05 0.04
DAYS >= .01 6 8.2 -2.2 10
DAYS >= .10 4 5.6 -1.6 4
DAYS >= .50 2 2.2 -0.2 0
DAYS >= 1.00 0 1.0 -1.0 0
GREATEST
24 HR. TOTAL 1.21 09/16 TO 09/17 0.69
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 T 0.0 0.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 6 39 -33 48
SINCE 7/1 7 40 -33 48
COOLING TOTAL 149 161 -12 153
SINCE 1/1 1056 1195 -139 1367
................................................................
WIND (MPH)
AVERAGE WIND SPEED 0.8
HIGHEST WIND SPEED/DIRECTION 12/240 DATE 09/06
HIGHEST GUST SPEED/DIRECTION 24/260 DATE 09/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.31
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 4
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 10
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: JACKSON KY
MONTH: SEPTEMBER
YEAR: 2023
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 86 58 72 -1 0 7 0.00 0.0 0 0.9 6 310 M M 0 10 170
2 86 65 76 3 0 11 0.00 0.0 0 1.5 7 310 M M 0 1 11 290
3 87 66 77 4 0 12 0.00 0.0 0 0.4 5 340 M M 0 8 340
4 87 67 77 5 0 12 0.00 0.0 0 0.5 6 160 M M 1 9 170
5 86 69 78 6 0 13 0.00 0.0 0 0.6 6 280 M M 0 11 270
6 87 69 78 6 0 13 0.39 0.0 0 1.9 12 240 M M 1 123 24 260
7 81 68 75 3 0 10 T 0.0 0 1.5 9 310 M M 6 18 270
8 81 63 72 1 0 7 0.00 0.0 0 1.1 7 340 M M 6 12 11 350
9 79 65 72 1 0 7 0.00 0.0 0 0.0 6 130 M M 7 1 11 40
10 79 65 72 1 0 7 T 0.0 0 0.3 7 310 M M 8 1 10 290
11 81 62 72 1 0 7 0.00 0.0 0 0.6 6 140 M M 4 12 10 140
12 76 65 71 1 0 6 0.04 0.0 0 1.7 8 320 M M 3 13 13 300
13 78 61 70 0 0 5 0.00 0.0 0 1.9 10 310 M M 4 12 14 320
14 77 51 64 -6 1 0 0.00 0.0 0 0.1 8 140 M M 0 18 17 70
15 78 55 67 -2 0 2 0.00 0.0 0 0.6 5 160 M M 1 11 60
16 79 56 68 -1 0 3 0.63 0.0 0 0.0 6 160 M M 6 1 10 160
17 72 57 65 -4 0 0 0.58 0.0 0 2.0 10 300 M M 8 12 20 320
18 73 55 64 -4 1 0 0.00 0.0 0 0.6 6 300 M M 6 12 10 310
19 75 54 65 -3 0 0 0.00 0.0 0 0.6 6 140 M M 3 12 10 130
20 79 53 66 -2 0 1 0.00 0.0 0 1.3 6 150 M M 1 1 9 140
21 80 58 69 2 0 4 0.00 0.0 0 0.3 7 140 M M 0 13 120
22 81 59 70 3 0 5 0.00 0.0 0 0.3 6 320 M M 1 13 320
23 75 55 65 -2 0 0 0.00 0.0 0 0.5 8 340 M M 0 12 350
24 65 59 62 -4 3 0 0.00 0.0 0 0.3 5 120 M M 9 8 360
25 76 57 67 1 0 2 0.00 0.0 0 0.0 6 140 M M 4 1 10 120
26 79 57 68 2 0 3 0.00 0.0 0 0.8 7 330 M M 1 12 10 330
27 69 59 64 -1 1 0 0.01 0.0 0 1.3 6 120 M M 4 12 10 110
28 74 59 67 2 0 2 0.18 0.0 0 1.9 8 170 M M 5 123 14 270
29 81 58 70 5 0 5 T 0.0 0 0.5 7 300 M M 3 10 310
30 80 60 70 6 0 5 0.00 0.0 0 0.4 7 130 M M 1 1 9 170
================================================================================
SM 2367 1805 6 149 1.83 0.0 24.4 M 93
================================================================================
AV 78.9 60.2 0.8 FASTST M M 3 MAX(MPH)
MISC ----> 12 240 24 260
================================================================================
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: SEPTEMBER
YEAR: 2023
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 69.5 TOTAL FOR MONTH: 1.83 1 = FOG OR MIST
DPTR FM NORMAL: 0.4 DPTR FM NORMAL: -1.59 2 = FOG REDUCING VISIBILITY
HIGHEST: 87 ON 6, 4 GRTST 24HR 1.21 ON 16-17 TO 1/4 MILE OR LESS
LOWEST: 51 ON 14 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.0 INCH 5 = HAIL
GRTST 24HR 0.0 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: 6
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4
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. 6 CLEAR (SCALE 0-3) 17
DPTR FM NORMAL -33 PTCLDY (SCALE 4-7) 12
TOTAL FM JUL 1 7 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL -33
[CDD (BASE 65) ]
TOTAL THIS MO. 149
DPTR FM NORMAL -12 [PRESSURE DATA]
TOTAL FM JAN 1 1056 HIGHEST SLP 30.24 ON 21
DPTR FM NORMAL -139 LOWEST SLP 29.81 ON 7
[REMARKS]
#FINAL-09-23#
...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1954 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 97 09/05/2007
LOW 32 09/24/1983
HIGHEST 89 09/04 MM MM 90 09/21
09/05
LOWEST 50 09/18 MM MM 38 09/28
AVG. MAXIMUM 81.4 80.0 1.4 78.0
AVG. MINIMUM 57.6 57.6 0.0 56.1
MEAN 69.5 68.8 0.7 67.0
DAYS MAX >= 90 0 3.0 -3.0 1
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.50 2004
MINIMUM 0.11 2019
TOTALS 1.70 3.55 -1.85 2.09
DAILY AVG. 0.06 0.12 -0.06 0.07
DAYS >= .01 7 8.3 -1.3 9
DAYS >= .10 4 5.5 -1.5 4
DAYS >= .50 1 2.1 -1.1 1
DAYS >= 1.00 1 1.0 0.0 1
GREATEST
24 HR. TOTAL 1.34 09/27 TO 09/28 1.06
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
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 3 38 -35 59
SINCE 7/1 3 39 -36 59
COOLING TOTAL 147 152 -5 129
SINCE 1/1 1041 1192 -151 1285
................................................................
WIND (MPH)
AVERAGE WIND SPEED 2.7
HIGHEST WIND SPEED/DIRECTION 17/270 DATE 09/17
HIGHEST GUST SPEED/DIRECTION 24/270 DATE 09/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 3
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 22 FOG W/VIS <= 1/4 MILE 8
HAZE 0
- 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: SEPTEMBER
YEAR: 2023
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 87 56 72 -1 0 7 0.00 M M 1.7 9 190 M M 0 13 50
2 87 62 75 2 0 10 0.00 M M 1.4 13 260 M M 1 1 16 270
3 88 61 75 2 0 10 0.00 M M 1.2 8 130 M M 1 1 11 140
4 89 63 76 4 0 11 0.00 M M 1.1 8 260 M M 1 1 11 260
5 89 65 77 5 0 12 0.00 M M 2.4 13 260 M M 0 18 250
6 87 65 76 4 0 11 0.02 M M 4.2 15 260 M M 5 12 20 270
7 81 68 75 3 0 10 0.03 M M 4.1 16 270 M M 7 13 24 270
8 82 62 72 1 0 7 0.00 M M 2.8 10 30 M M 6 1 15 350
9 84 65 75 4 0 10 0.00 M M 5.1 13 70 M M 7 3 21 80
10 81 64 73 2 0 8 0.00 M M 4.4 12 20 M M 5 19 40
11 85 60 73 3 0 8 0.00 M M 1.2 8 250 M M 3 12 12 190
12 79 63 71 1 0 6 0.02 M M 2.4 10 340 M M 5 1 15 340
13 80 57 69 -1 0 4 0.00 M M 3.5 13 340 M M 5 12 16 20
14 80 51 66 -4 0 1 0.00 M M 5.0 15 10 M M 0 21 40
15 81 54 68 -1 0 3 0.00 M M 3.7 10 40 M M 0 15 30
16 79 55 67 -2 0 2 0.12 M M 2.9 15 220 M M 7 1 23 230
17 75 55 65 -3 0 0 0.17 M M 5.2 17 270 M M 8 12 22 290
18 75 50 63 -5 2 0 0.00 M M 1.8 9 310 M M 4 12 13 250
19 78 52 65 -3 0 0 0.00 M M 1.4 7 100 M M 4 12 12 260
20 80 52 66 -1 0 1 0.00 M M 2.2 13 190 M M 2 1 18 180
21 82 53 68 1 0 3 0.00 M M 0.9 9 40 M M 2 1 12 20
22 84 55 70 3 0 5 0.00 M M 2.7 12 30 M M 1 1 22 30
23 79 55 67 1 0 2 0.00 M M 5.3 13 340 M M 0 18 350
24 78 52 65 -1 0 0 0.00 M M 3.4 12 20 M M 2 16 30
25 82 56 69 3 0 4 0.00 M M 1.6 10 20 M M 1 1 16 20
26 85 53 69 4 0 4 0.00 M M 1.8 9 90 M M 1 1 14 90
27 69 58 64 -1 1 0 1.19 M M 2.3 12 350 M M 3 13 18 360
28 74 57 66 2 0 1 0.15 M M 3.2 13 290 M M 5 13 21 290
29 81 54 68 4 0 3 0.00 M M 1.4 8 260 M M 3 12 11 280
30 82 55 69 5 0 4 0.00 M M 1.7 10 30 M M 2 12 15 30
================================================================================
SM 2443 1728 3 147 1.70 M 82.0 M 91
================================================================================
AV 81.4 57.6 2.7 FASTST M M 3 MAX(MPH)
MISC ----> 17 270 24 270
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: LONDON KY
MONTH: SEPTEMBER
YEAR: 2023
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 69.5 TOTAL FOR MONTH: 1.70 1 = FOG OR MIST
DPTR FM NORMAL: 0.7 DPTR FM NORMAL: -1.85 2 = FOG REDUCING VISIBILITY
HIGHEST: 89 ON 5, 4 GRTST 24HR 1.34 ON 27-28 TO 1/4 MILE OR LESS
LOWEST: 50 ON 18 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: 0 0.10 INCH OR MORE: 4
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 3 CLEAR (SCALE 0-3) 18
DPTR FM NORMAL -35 PTCLDY (SCALE 4-7) 11
TOTAL FM JUL 1 3 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL -34
[CDD (BASE 65) ]
TOTAL THIS MO. 147
DPTR FM NORMAL -5 [PRESSURE DATA]
TOTAL FM JAN 1 1041 HIGHEST SLP 30.25 ON 21
DPTR FM NORMAL -151 LOWEST SLP 29.83 ON 7
[REMARKS]
#FINAL-09-23#
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