A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >
April 2018 was the 3rd coolest April at Jackson and it was the 4th coolest at London. Also
April 2018 was the 14th wettest April at both Jackson and London. The following are
the April climate summaries for each location as well as the April Local Climatological
Data reports for Jackson and London:
Jackson Kentucky data:
...THE JACKSON KY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1981 TO 2018
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 83 04/18 86 -3 88 04/29
04/13
LOWEST 25 04/08 29 -4 36 04/08
04/07
AVG. MAXIMUM 63.7 68.0 -4.3 74.0
AVG. MINIMUM 41.0 46.7 -5.7 53.6
MEAN 52.4 57.4 -5.0 63.8
DAYS MAX >= 90 0 0.2 -0.2 0
DAYS MAX <= 32 0 0.1 -0.1 0
DAYS MIN <= 32 7 1.9 5.1 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.29 2015
MINIMUM 0.78 1985
TOTALS 4.12 3.83 0.29 4.02
DAILY AVG. 0.14 0.13 0.01 0.13
DAYS >= .01 16 12.4 3.6 14
DAYS >= .10 9 8.2 0.8 8
DAYS >= .50 4 2.7 1.3 3
DAYS >= 1.00 0 0.7 -0.7 1
GREATEST
24 HR. TOTAL 0.76 04/03 TO 04/03 1.26
04/02 TO 04/02
SNOWFALL (INCHES)
RECORDS
TOTAL 17.8 1987
TOTALS 0.7 1.0 -0.3 0.0
SINCE 7/1 22.5 23.5 -1.0 4.8
SNOWDEPTH AVG. 0 MM MM 0
DAYS >= 1.0 0 0.3 -0.3 0
GREATEST
SNOW DEPTH T 04/07 0
04/09
24 HR TOTAL 0.3 04/16 TO 04/16 0.0
DEGREE_DAYS
HEATING TOTAL 383 268 115 121
SINCE 7/1 4137 4121 16 3121
COOLING TOTAL 13 39 -26 90
SINCE 1/1 25 46 -21 98
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 4.8
HIGHEST WIND SPEED/DIRECTION 22/270 DATE 04/04
HIGHEST GUST SPEED/DIRECTION 40/240 DATE 04/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 7
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 4 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 3
HAZE 2
- 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: APRIL
YEAR: 2018
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 58 41 50 -3 15 0 0.22 0.0 0 3.0 13 330 M M 10 1 20 330
2 46 37 42 -11 23 0 0.76 0.0 0 2.5 10 20 M M 10 1 16 120
3 78 45 62 8 3 0 0.76 0.0 0 7.0 17 250 M M 3 13 40 240
4 60 32 46 -8 19 0 0.45 0.0 0 10.0 22 270 M M 6 13 39 280
5 55 28 42 -12 23 0 0.00 0.0 0 2.3 8 250 M M 0 13 240
6 68 41 55 1 10 0 0.03 0.0 0 6.7 14 10 M M 2 1 26 360
7 42 30 36 -19 29 0 0.10 0.2 T 4.5 13 40 M M 8 1 20 60
8 48 25 37 -18 28 0 0.00 0.0 0 2.1 8 300 M M 2 14 250
9 51 32 42 -14 23 0 0.05 0.2 T 3.3 9 340 M M 8 1 14 40
10 54 34 44 -12 21 0 0.00 0.0 0 2.2 10 330 M M 7 16 320
11 66 34 50 -6 15 0 0.00 0.0 0 3.6 12 260 M M 1 18 240
12 80 50 65 9 0 0 0.00 0.0 0 7.6 18 230 M M 0 34 270
13 83 62 73 16 0 8 0.00 0.0 0 7.4 15 190 M M 0 27 160
14 80 60 70 13 0 5 T 0.0 0 6.3 17 190 M M 4 34 220
15 65 42 54 -3 11 0 0.72 0.0 0 5.6 16 260 M M 9 12 29 280
16 42 30 36 -22 29 0 0.06 0.3 0 7.6 18 260 M M 10 18 33 300
17 64 31 48 -10 17 0 0.00 0.0 0 6.0 17 240 M M 4 30 180
18 83 40 62 4 3 0 0.01 0.0 0 5.6 17 310 M M 3 1 33 340
19 57 37 47 -11 18 0 0.05 0.0 0 7.1 17 310 M M 7 1 32 290
20 62 35 49 -10 16 0 0.00 0.0 0 4.3 8 300 M M 0 1 16 40
21 72 41 57 -2 8 0 0.00 0.0 0 4.5 8 50 M M 0 15 40
22 73 51 62 3 3 0 0.00 0.0 0 3.1 8 50 M M 1 16 50
23 61 52 57 -3 8 0 0.57 0.0 0 5.2 15 140 M M 8 1 25 120
24 63 53 58 -2 7 0 0.14 0.0 0 2.8 9 300 M M 9 1 17 70
25 58 50 54 -6 11 0 0.10 0.0 0 3.9 10 320 M M 8 18 17 320
26 64 49 57 -3 8 0 0.09 0.0 0 1.9 6 290 M M 6 12 10 210
27 72 49 61 0 4 0 0.01 0.0 0 4.7 16 290 M M 5 12 26 280
28 69 44 57 -4 8 0 0.00 0.0 0 6.7 21 280 M M 1 33 290
29 62 39 51 -10 14 0 0.00 0.0 0 3.7 13 300 M M 0 24 310
30 75 37 56 -5 9 0 0.00 0.0 0 1.6 8 300 M M 0 15 290
================================================================================
SM 1911 1231 383 13 4.12 0.7 142.8 M 132
================================================================================
AV 63.7 41.0 4.8 FASTST M M 4 MAX(MPH)
MISC ----> # 22 270 # 40 240
================================================================================
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: 2018
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 52.4 TOTAL FOR MONTH: 4.12 1 = FOG OR MIST
DPTR FM NORMAL: -5.0 DPTR FM NORMAL: 0.29 2 = FOG REDUCING VISIBILITY
HIGHEST: 83 ON 18,13 GRTST 24HR 0.76 ON 3- 3 TO 1/4 MILE OR LESS
LOWEST: 25 ON 8 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.7 INCH 5 = HAIL
GRTST 24HR 0.3 ON 16-16 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: 16
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9
MIN 32 OR BELOW: 7 0.50 INCH OR MORE: 4
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 383 CLEAR (SCALE 0-3) 12
DPTR FM NORMAL 115 PTCLDY (SCALE 4-7) 11
TOTAL FM JUL 1 4137 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL 16
[CDD (BASE 65) ]
TOTAL THIS MO. 13
DPTR FM NORMAL -26 [PRESSURE DATA]
TOTAL FM JAN 1 25 HIGHEST SLP 30.45 ON 20
DPTR FM NORMAL -21 LOWEST SLP 29.59 ON 3
[REMARKS]
#FINAL-04-18#
London Kentucky data:
...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1954 TO 2018
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 81 04/13 MM MM 88 04/29
LOWEST 23 04/08 MM MM 32 04/08
AVG. MAXIMUM 63.5 68.6 -5.1 73.9
AVG. MINIMUM 39.2 44.5 -5.3 50.9
MEAN 51.4 56.5 -5.1 62.4
DAYS MAX >= 90 0 0.1 -0.1 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 7 3.2 3.8 1
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.23 2011
MINIMUM 0.58 1976
TOTALS 5.39 4.05 1.34 5.33
DAILY AVG. 0.18 0.14 0.04 0.18
DAYS >= .01 15 12.0 3.0 15
DAYS >= .10 10 7.9 2.1 9
DAYS >= .50 6 2.8 3.2 5
DAYS >= 1.00 1 0.9 0.1 2
GREATEST
24 HR. TOTAL 1.32 04/15 TO 04/15 1.21
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 MM
GREATEST
SNOW DEPTH MM MM
24 HR TOTAL MM MM
DEGREE_DAYS
HEATING TOTAL 406 276 130 124
SINCE 7/1 MM 4101 MM 3232
COOLING TOTAL 5 23 -18 54
SINCE 1/1 13 26 -13 57
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 6.3
HIGHEST WIND SPEED/DIRECTION 32/260 DATE 04/03
HIGHEST GUST SPEED/DIRECTION 51/260 DATE 04/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 13
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 9
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 3 SLEET 0
FOG 20 FOG W/VIS <= 1/4 MILE 3
HAZE 2
- 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: APRIL
YEAR: 2018
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 63 46 55 3 10 0 0.18 M M 3.8 16 340 M M 10 1 25 310
2 50 40 45 -7 20 0 0.23 M M 5.3 13 360 M M 10 1 20 340
3 75 46 61 8 4 0 0.51 M M 11.0 32 260 M M 5 13 51 260
4 62 33 48 -5 17 0 0.51 M M 11.7 26 280 M M 4 13 36 280
5 56 27 42 -11 23 0 0.00 M M 1.8 8 200 M M 0 12 160
6 63 35 49 -5 16 0 0.11 M M 7.0 22 220 M M 4 1 33 230
7 41 28 35 -19 30 0 T M M 8.6 16 20 M M 9 18 25 360
8 47 23 35 -19 30 0 0.00 M M 2.5 9 40 M M 2 1 13 80
9 56 33 45 -10 20 0 0.07 M M 4.7 14 270 M M 7 1 20 280
10 56 34 45 -10 20 0 0.00 M M 4.1 14 300 M M 7 21 320
11 65 31 48 -7 17 0 0.00 M M 2.5 15 270 M M 0 1 20 260
12 79 44 62 6 3 0 0.00 M M 9.4 22 200 M M 0 37 200
13 81 53 67 11 0 2 0.00 M M 8.8 22 210 M M 0 33 200
14 76 59 68 12 0 3 0.69 M M 7.9 24 200 M M 5 1 40 180
15 63 41 52 -4 13 0 1.32 M M 9.0 23 260 M M 10 1 32 250
16 41 30 36 -21 29 0 0.01 M M 12.1 24 260 M M 10 1 34 270
17 65 29 47 -10 18 0 0.00 M M 9.1 26 250 M M 2 8 38 240
18 80 40 60 3 5 0 0.06 M M 9.1 25 250 M M 1 1 37 250
19 56 34 45 -13 20 0 0.06 M M 8.7 18 320 M M 8 1 30 320
20 63 29 46 -12 19 0 0.00 M M 4.9 13 10 M M 0 1 21 60
21 72 36 54 -4 11 0 0.00 M M 3.9 9 80 M M 0 15 70
22 71 46 59 0 6 0 T M M 4.3 16 120 M M 1 24 140
23 62 53 58 -1 7 0 0.64 M M 7.1 21 120 M M 9 1 31 120
24 64 52 58 -1 7 0 0.84 M M 4.2 12 330 M M 8 1 16 90
25 60 49 55 -4 10 0 0.04 M M 5.1 15 340 M M 9 12 20 340
26 62 45 54 -6 11 0 0.12 M M 2.2 8 200 M M 7 12 10 180
27 70 47 59 -1 6 0 0.00 M M 5.6 17 240 M M 4 12 24 270
28 69 43 56 -4 9 0 0.00 M M 8.2 22 280 M M 0 30 260
29 63 37 50 -10 15 0 0.00 M M 4.8 15 350 M M 0 20 350
30 75 34 55 -6 10 0 0.00 M M 1.5 7 170 M M 0 11 290
================================================================================
SM 1906 1177 406 5 5.39 M 188.9 M 132
================================================================================
AV 63.5 39.2 6.3 FASTST M M 4 MAX(MPH)
MISC ----> # 32 260 # 51 260
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: LONDON KY
MONTH: APRIL
YEAR: 2018
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 51.4 TOTAL FOR MONTH: 5.39 1 = FOG OR MIST
DPTR FM NORMAL: -5.1 DPTR FM NORMAL: 1.34 2 = FOG REDUCING VISIBILITY
HIGHEST: 81 ON 13 GRTST 24HR 1.32 ON 15-15 TO 1/4 MILE OR LESS
LOWEST: 23 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: 10
MIN 32 OR BELOW: 7 0.50 INCH OR MORE: 6
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 406 CLEAR (SCALE 0-3) 13
DPTR FM NORMAL 130 PTCLDY (SCALE 4-7) 10
TOTAL FM JUL 1 MM CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL MM
[CDD (BASE 65) ]
TOTAL THIS MO. 5
DPTR FM NORMAL -18 [PRESSURE DATA]
TOTAL FM JAN 1 13 HIGHEST SLP 30.45 ON 20
DPTR FM NORMAL -13 LOWEST SLP 29.61 ON 3
[REMARKS]
#FINAL-04-18#
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