Both the Jackson Weather Office and the London Corbin Airport finished April 2017
as the warmest April on record at their respective locations. Jackson was 6.4 degrees
above normal and 1.4 degrees above the previous warmest April from 2006 (62.4 degrees).
London was 5.9 degrees warmer than normal last month and 1.7 degrees above the previous
April high for 1981 (60.7 degrees). Both locations were also wetter than normal last
month with Jackson around a two tenths above normal (0.19") and London around an inch
and a quarter wetter (1.28").
Here is the monthly climate summary for Jackson:
...THE JACKSON KY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1981 TO 2017
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 92 04/27/1986
LOW 20 04/07/1982
HIGHEST 88 04/29 86 2 86 04/20
04/18
LOWEST 36 04/08 29 7 29 04/10
04/07
AVG. MAXIMUM 74.0 68.0 6.0 70.2
AVG. MINIMUM 53.6 46.7 6.9 47.5
MEAN 63.8 57.4 6.4 58.8
DAYS MAX >= 90 0 0.2 -0.2 0
DAYS MAX <= 32 0 0.1 -0.1 0
DAYS MIN <= 32 0 1.9 -1.9 4
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.29 2015
MINIMUM 0.78 1985
TOTALS 4.02 3.83 0.19 3.82
DAILY AVG. 0.13 0.13 0.00 0.13
DAYS >= .01 14 12.4 1.6 12
DAYS >= .10 8 8.2 -0.2 8
DAYS >= .50 3 2.7 0.3 3
DAYS >= 1.00 1 0.7 0.3 0
GREATEST
24 HR. TOTAL 1.26 04/19 TO 04/19 1.24
SNOWFALL (INCHES)
RECORDS
TOTAL 17.8 1987
TOTALS 0.0 1.0 -1.0 0.1
SINCE 7/1 4.8 23.5 -18.7 32.5
SNOWDEPTH AVG. 0 MM MM 0
DAYS >= 1.0 0 0.3 -0.3 0
GREATEST
SNOW DEPTH 0 -1
24 HR TOTAL 0.0 0.1
DEGREE_DAYS
HEATING TOTAL 121 268 -147 224
SINCE 7/1 3121 4121 -1000 3317
COOLING TOTAL 90 39 51 46
SINCE 1/1 98 46 52 54
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 3.7
HIGHEST WIND SPEED/DIRECTION 20/300 DATE 04/06
HIGHEST GUST SPEED/DIRECTION 33/260 DATE 04/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 8
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 10
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 14 FOG W/VIS <= 1/4 MILE 1
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
Here is the Local climatological data sheet for Jackson:
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: JACKSON KY
MONTH: APRIL
YEAR: 2017
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 52 43 48 -5 17 0 T 0.0 0 4.2 10 320 M M 10 1 17 270
2 72 44 58 5 7 0 0.00 0.0 0 3.3 8 70 M M 4 13 80
3 68 56 62 8 3 0 0.59 0.0 0 3.9 15 230 M M 4 13 28 210
4 75 57 66 12 0 1 0.05 0.0 0 6.2 16 250 M M 5 1 32 230
5 82 51 67 13 0 2 0.19 0.0 0 5.9 17 260 M M 1 13 28 290
6 56 40 48 -6 17 0 0.21 0.0 0 8.2 20 300 M M 9 1 33 260
7 54 36 45 -10 20 0 0.00 0.0 0 8.8 18 300 M M 6 29 310
8 66 36 51 -4 14 0 0.00 0.0 0 3.1 9 310 M M 0 14 220
9 79 47 63 7 2 0 0.00 0.0 0 4.8 12 190 M M 0 19 180
10 84 61 73 17 0 8 0.00 0.0 0 5.6 15 250 M M 0 25 250
11 82 58 70 14 0 5 0.05 0.0 0 5.5 17 320 M M 3 1 26 320
12 74 56 65 9 0 0 0.02 0.0 0 2.9 10 330 M M 2 1 16 350
13 81 52 67 10 0 2 0.00 0.0 0 2.1 7 330 M M 0 14 320
14 85 56 71 14 0 6 0.00 0.0 0 3.4 12 300 M M 1 18 310
15 84 63 74 17 0 9 T 0.0 0 4.5 12 170 M M 3 19 230
16 80 63 72 14 0 7 0.03 0.0 0 4.4 12 300 M M 6 22 230
17 69 59 64 6 1 0 0.25 0.0 0 0.8 9 270 M M 9 12 14 290
18 71 58 65 7 0 0 T 0.0 0 3.4 8 140 M M 8 14 160
19 79 59 69 11 0 4 1.26 0.0 0 2.0 13 340 M M 9 13 19 240
20 84 61 73 14 0 8 0.02 0.0 0 3.7 13 250 M M 4 1 22 220
21 73 55 64 5 1 0 0.13 0.0 0 2.3 10 310 M M 8 1 16 330
22 56 46 51 -8 14 0 0.42 0.0 0 1.8 8 70 M M 10 1 18 80
23 51 46 49 -11 16 0 0.75 0.0 0 2.9 9 40 M M 10 1 20 70
24 66 48 57 -3 8 0 T 0.0 0 2.5 9 110 M M 7 14 60
25 76 52 64 4 1 0 0.00 0.0 0 1.9 8 140 M M 6 13 140
26 85 55 70 10 0 5 0.00 0.0 0 1.8 9 150 M M 0 16 140
27 78 59 69 8 0 4 0.05 0.0 0 3.9 14 250 M M 2 1 28 240
28 84 52 68 7 0 3 0.00 0.0 0 2.2 9 170 M M 2 17 200
29 88 70 79 18 0 14 0.00 0.0 0 2.5 9 260 M M 1 16 260
30 86 68 77 16 0 12 T 0.0 0 3.5 14 180 M M 2 27 170
================================================================================
SM 2220 1607 121 90 4.02 0.0 112.0 M 132
================================================================================
AV 74.0 53.6 3.7 FASTST M M 4 MAX(MPH)
MISC ----> # 20 300 # 33 260
================================================================================
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: APRIL
YEAR: 2017
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 63.8 TOTAL FOR MONTH: 4.02 1 = FOG OR MIST
DPTR FM NORMAL: 6.4 DPTR FM NORMAL: 0.19 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 29 GRTST 24HR 1.26 ON 19-19 TO 1/4 MILE OR LESS
LOWEST: 36 ON 8, 7 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: 14
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 8
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 121 CLEAR (SCALE 0-3) 12
DPTR FM NORMAL -147 PTCLDY (SCALE 4-7) 11
TOTAL FM JUL 1 3121 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL -1000
[CDD (BASE 65) ]
TOTAL THIS MO. 90
DPTR FM NORMAL 51 [PRESSURE DATA]
TOTAL FM JAN 1 98 HIGHEST SLP 30.34 ON 12
DPTR FM NORMAL 52 LOWEST SLP 29.45 ON 6
[REMARKS]
#FINAL-04-17#
Here is the monthly climate summary for London:
...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1954 TO 2017
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 90 04/10/1995
04/27/1986
LOW 19 04/08/2007
HIGHEST 88 04/29 MM MM 85 04/20
LOWEST 32 04/08 MM MM 27 04/10
AVG. MAXIMUM 73.9 68.6 5.3 70.5
AVG. MINIMUM 50.9 44.5 6.4 45.1
MEAN 62.4 56.5 5.9 57.8
DAYS MAX >= 90 0 0.1 -0.1 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 3.2 -2.2 5
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.23 2011
MINIMUM 0.58 1976
TOTALS 5.33 4.05 1.28 2.90
DAILY AVG. 0.18 0.14 0.04 0.10
DAYS >= .01 15 12.0 3.0 9
DAYS >= .10 9 7.9 1.1 6
DAYS >= .50 5 2.8 2.2 3
DAYS >= 1.00 2 0.9 1.1 0
GREATEST
24 HR. TOTAL 1.21 04/21 TO 04/21 1.67
SNOWFALL (INCHES)
RECORDS
TOTAL 9.0 1987
TOTALS MM 1.0 MM MM
SINCE 7/1 MM 10.3 MM MM
SNOWDEPTH AVG. MM MM MM MM
DAYS >= 1.0 MM 0.3 MM 0
GREATEST
SNOW DEPTH MM MM
24 HR TOTAL MM MM
DEGREE_DAYS
HEATING TOTAL 124 276 -152 231
SINCE 7/1 3232 4101 -869 3546
COOLING TOTAL 54 23 31 22
SINCE 1/1 57 26 31 22
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 6.4
HIGHEST WIND SPEED/DIRECTION 26/280 DATE 04/06
HIGHEST GUST SPEED/DIRECTION 41/180 DATE 04/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 8
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 9
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
Here is the local climatological data sheet for London:
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: LONDON KY
MONTH: APRIL
YEAR: 2017
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 52 45 49 -3 16 0 0.01 M M 5.9 12 340 M M 10 1 15 320
2 74 42 58 6 7 0 0.00 M M 3.5 10 100 M M 2 14 110
3 69 53 61 8 4 0 0.52 M M 7.7 21 190 M M 4 1 26 200
4 75 53 64 11 1 0 T M M 11.6 25 250 M M 5 32 280
5 78 49 64 11 1 0 0.03 M M 9.6 23 180 M M M 3 41 180
6 57 40 49 -5 16 0 0.19 M M 15.2 26 280 M M 10 1 37 290
7 56 37 47 -7 18 0 T M M 9.6 23 300 M M 1 35 280
8 66 32 49 -5 16 0 0.00 M M 1.8 10 290 M M 0 17 240
9 76 36 56 1 9 0 0.00 M M 4.9 15 180 M M 0 21 180
10 82 50 66 11 0 1 0.00 M M 8.0 20 240 M M 0 26 240
11 80 59 70 15 0 5 0.01 M M 7.6 23 340 M M 3 3 33 340
12 76 54 65 9 0 0 0.00 M M 5.8 15 290 M M 2 19 40
13 82 44 63 7 2 0 0.00 M M 2.0 10 120 M M 0 15 110
14 85 45 65 9 0 0 0.00 M M 1.2 10 260 M M 0 16 300
15 83 54 69 13 0 4 0.00 M M 6.2 18 240 M M 2 26 240
16 79 58 69 12 0 4 0.24 M M 6.9 17 230 M M 7 18 26 210
17 73 59 66 9 0 1 0.54 M M 2.1 14 10 M M 9 1 18 20
18 71 60 66 9 0 1 0.01 M M 5.4 15 190 M M 8 20 180
19 77 61 69 11 0 4 0.31 M M 4.5 15 230 M M 7 13 23 250
20 82 58 70 12 0 5 0.05 M M 6.1 18 250 M M 5 1 26 260
21 77 58 68 10 0 3 1.21 M M 5.0 21 190 M M 8 13 26 200
22 58 48 53 -6 12 0 0.79 M M 8.7 17 30 M M 9 13 25 40
23 54 47 51 -8 14 0 1.18 M M 8.4 22 60 M M 9 13 33 60
24 67 51 59 0 6 0 0.00 M M 6.2 12 70 M M 9 17 30
25 75 51 63 4 2 0 0.00 M M 2.4 10 290 M M 5 1 13 270
26 82 51 67 7 0 2 0.00 M M 5.6 17 180 M M 0 21 180
27 78 54 66 6 0 1 0.22 M M 9.8 22 260 M M 3 1 27 270
28 82 49 66 6 0 1 0.00 M M 5.9 16 200 M M 2 25 210
29 88 63 76 16 0 11 0.00 M M 4.5 16 190 M M 1 1 22 180
30 84 67 76 15 0 11 0.02 M M 10.5 24 200 M M 3 36 190
================================================================================
SM 2218 1528 124 54 5.33 M 192.6 M 124
================================================================================
AV 73.9 50.9 6.4 FASTST M M 4 MAX(MPH)
MISC ----> # 26 280 # 41 180
================================================================================
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: APRIL
YEAR: 2017
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 62.4 TOTAL FOR MONTH: 5.33 1 = FOG OR MIST
DPTR FM NORMAL: 5.9 DPTR FM NORMAL: 1.28 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 29 GRTST 24HR 1.21 ON 21-21 TO 1/4 MILE OR LESS
LOWEST: 32 ON 8 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: 15
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9
MIN 32 OR BELOW: 1 0.50 INCH OR MORE: 5
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2
[HDD (BASE 65) ]
TOTAL THIS MO. 124 CLEAR (SCALE 0-3) 14
DPTR FM NORMAL -152 PTCLDY (SCALE 4-7) 8
TOTAL FM JUL 1 3232 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL -869
[CDD (BASE 65) ]
TOTAL THIS MO. 54
DPTR FM NORMAL 31 [PRESSURE DATA]
TOTAL FM JAN 1 57 HIGHEST SLP 30.34 ON 12
DPTR FM NORMAL 31 LOWEST SLP 29.46 ON 5
[REMARKS]
#FINAL-04-17#
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