A coastal storm continues to bring heavy rain, coastal flooding, high surf, dangerous rip currents, and gusty winds to the East Coast into early Tuesday. A heavy rain and flash flood risk continues for the Southwest/Four Corners region with lingering tropical moisture through Monday. Typhoon remnants are causing strong winds, heavy rain, and coastal flooding across western Alaska through Monday. Read More >
The following are April climate summaries for Jackson and London as well as the April Local
Climatological Data reports for Jackson and London:
...THE JACKSON KY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 92 04/27/1986
LOW 20 04/07/1982
HIGHEST 89 04/05 86 3 87 04/23
LOWEST 34 04/24 29 5 32 04/02
04/10
AVG. MAXIMUM 70.8 69.2 1.6 67.0
AVG. MINIMUM 47.4 47.3 0.1 46.4
MEAN 59.1 58.2 0.9 56.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 2.1 -2.1 2
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.29 2015
MINIMUM 0.78 1985
TOTALS 3.15 4.54 -1.39 3.60
DAILY AVG. 0.11 0.15 -0.04 0.12
DAYS >= .01 12 13.2 -1.2 16
DAYS >= .10 9 8.7 0.3 7
DAYS >= .50 1 3.4 -2.4 2
DAYS >= 1.00 0 0.8 -0.8 0
GREATEST
24 HR. TOTAL 0.67 04/27 TO 04/28 0.87
SNOWFALL (INCHES)
RECORDS
TOTAL 17.8 1987
TOTALS T* 0.4 -0.4 T
SINCE 7/1 3.4 23.4 -20.0 22.1
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.2 -0.2 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL MM* T
DEGREE DAYS
HEATING TOTAL 207 244 -37 284
SINCE 7/1 3352 3969 -617 3544
COOLING TOTAL 39 41 -2 43
SINCE 1/1 45 50 -5 46
................................................................
WIND (MPH)
AVERAGE WIND SPEED 4.4
HIGHEST WIND SPEED/DIRECTION 28/280 DATE 04/01
HIGHEST GUST SPEED/DIRECTION 59/250 DATE 04/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.33
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 52
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 7
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 2
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 2
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...*TRACE SNOWFALL WAS ACTUALLY HAIL THAT OCCURRED ON THE 4TH AND 22ND...
$$
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: JACKSON KY
MONTH: APRIL
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 73 42 58 5 7 0 0.41 0.0 0 13.4 28 280 M M 5 13 59 250
2 61 40 51 -3 14 0 0.00 0.0 0 3.3 10 270 M M 5 17 260
3 73 49 61 7 4 0 0.00 0.0 0 5.3 16 190 M M 3 30 170
4 83 57 70 16 0 5 0.14 T 0 6.0 15 170 M M 4 1358 24 190
5 89 60 75 20 0 10 0.11 0.0 0 7.6 24 300 M M 2 13 41 310
6 62 45 54 -1 11 0 0.34 0.0 0 4.4 9 340 M M 10 12 20 340
7 52 43 48 -8 17 0 0.01 0.0 0 5.0 12 50 M M 6 19 60
8 54 42 48 -8 17 0 0.00 0.0 0 5.8 13 80 M M 1 24 80
9 67 41 54 -2 11 0 0.00 0.0 0 5.1 12 50 M M 0 22 10
10 73 45 59 2 6 0 0.00 0.0 0 3.1 8 200 M M 0 16 20
11 76 47 62 5 3 0 0.00 0.0 0 2.7 10 310 M M 0 18 290
12 80 52 66 9 0 1 0.00 0.0 0 3.1 12 310 M M 0 16 300
13 85 55 70 12 0 5 T 0.0 0 3.5 9 140 M M 1 16 170
14 77 57 67 9 0 2 0.43 0.0 0 2.8 15 240 M M 6 123 29 250
15 78 53 66 8 0 1 0.00 0.0 0 3.5 9 310 M M 3 1 17 260
16 72 47 60 1 5 0 0.33 0.0 0 6.3 22 280 M M 7 1 39 290
17 63 44 54 -5 11 0 0.01 0.0 0 7.6 16 240 M M 3 32 260
18 73 45 59 0 6 0 0.00 0.0 0 3.9 12 300 M M 1 21 310
19 83 52 68 8 0 3 0.00 0.0 0 2.5 10 220 M M 0 22 180
20 85 61 73 13 0 8 0.00 0.0 0 4.6 14 180 M M 0 26 140
21 80 57 69 9 0 4 T 0.0 0 4.8 15 180 M M 1 3 27 190
22 63 46 55 -5 10 0 0.61 T 0 4.7 20 290 M M 7 135 42 270
23 57 38 48 -13 17 0 0.00 0.0 0 5.0 10 320 M M 5 18 330
24 58 34 46 -15 19 0 0.00 0.0 0 2.3 12 290 M M 2 22 270
25 64 35 50 -11 15 0 0.00 0.0 0 0.9 8 120 M M 0 14 120
26 72 42 57 -5 8 0 0.00 0.0 0 2.1 8 330 M M 1 14 280
27 72 47 60 -2 5 0 0.42 0.0 0 3.1 9 150 M M 4 1 15 160
28 72 54 63 1 2 0 0.32 0.0 0 2.9 13 290 M M 8 138 26 270
29 68 49 59 -3 6 0 0.00 0.0 0 1.5 7 320 M M 3 1 13 310
30 60 43 52 -10 13 0 0.02 0.0 0 3.8 20 290 M M 8 1 32 320
================================================================================
SM 2125 1422 207 39 3.15 T 130.6 M 96
================================================================================
AV 70.8 47.4 4.4 FASTST M M 3 MAX(MPH)
MISC ----> 28 280 59 250
================================================================================
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: 2023
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 59.1 TOTAL FOR MONTH: 3.15 1 = FOG OR MIST
DPTR FM NORMAL: 0.9 DPTR FM NORMAL: -1.39 2 = FOG REDUCING VISIBILITY
HIGHEST: 89 ON 5 GRTST 24HR 1.33 ON 31- 1 TO 1/4 MILE OR LESS
LOWEST: 34 ON 24 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: T 5 = HAIL
GRTST 24HR T ON 4- 4 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: 12
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 207 CLEAR (SCALE 0-3) 15
DPTR FM NORMAL -37 PTCLDY (SCALE 4-7) 12
TOTAL FM JUL 1 3352 CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL -617
[CDD (BASE 65) ]
TOTAL THIS MO. 39
DPTR FM NORMAL -2 [PRESSURE DATA]
TOTAL FM JAN 1 45 HIGHEST SLP 30.45 ON 7
DPTR FM NORMAL -5 LOWEST SLP 29.44 ON 30
[REMARKS]
#FINAL-04-23#
...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 90 04/10/1995
04/27/1986
LOW 19 04/08/2007
HIGHEST 86 04/05 MM MM 85 04/23
LOWEST 31 04/24 MM MM 27 04/10
AVG. MAXIMUM 70.4 69.3 1.1 66.9
AVG. MINIMUM 43.8 44.9 -1.1 43.5
MEAN 57.1 57.1 0.0 55.2
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 3.4 -2.4 3
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.23 2011
MINIMUM 0.58 1976
TOTALS 3.27 4.65 -1.38 4.20
DAILY AVG. 0.11 0.16 -0.05 0.14
DAYS >= .01 10 12.5 -2.5 17
DAYS >= .10 8 8.3 -0.3 10
DAYS >= .50 3 3.8 -0.8 3
DAYS >= 1.00 0 1.2 -1.2 1
GREATEST
24 HR. TOTAL 0.90 04/05 TO 04/06 1.47
SNOWFALL (INCHES)
RECORDS
TOTAL 9.0 1987
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 243 260 -17 313
SINCE 7/1 MM 4062 MM MM
COOLING TOTAL 14 24 -10 24
SINCE 1/1 18 27 -9 25
................................................................
WIND (MPH)
AVERAGE WIND SPEED 6.0
HIGHEST WIND SPEED/DIRECTION 40/240 DATE 04/01
HIGHEST GUST SPEED/DIRECTION 59/270 DATE 04/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.33
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 5
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 11 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.
&&
...MISSING ANNUAL HEATING DEGREE DAYS DUE TO TEMPERATURE SENSOR
ERROR IN NOVEMBER...
$$
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: LONDON KY
MONTH: APRIL
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 72 43 58 6 7 0 0.56 M M 18.1 40 240 M M 4 13 59 270
2 63 41 52 -1 13 0 0.00 M M 4.1 12 30 M M 4 15 190
3 70 43 57 4 8 0 0.00 M M 6.2 16 180 M M 4 8 26 190
4 83 55 69 16 0 4 0.00 M M 6.8 18 210 M M 5 27 200
5 86 60 73 19 0 8 0.17 M M 11.5 32 290 M M 3 1 46 280
6 62 47 55 1 10 0 0.73 M M 6.0 14 330 M M 10 13 22 330
7 62 47 55 1 10 0 0.00 M M 8.8 15 340 M M 5 22 340
8 54 47 51 -4 14 0 0.00 M M 8.2 14 60 M M 9 21 100
9 68 34 51 -4 14 0 0.00 M M 4.9 16 90 M M 0 24 110
10 71 35 53 -2 12 0 0.00 M M 2.0 9 200 M M 0 14 200
11 75 38 57 1 8 0 0.00 M M 1.8 10 280 M M 0 14 260
12 78 40 59 3 6 0 0.00 M M 1.5 10 60 M M 0 8 15 70
13 85 43 64 8 1 0 T M M 4.0 14 180 M M 1 20 190
14 73 53 63 6 2 0 0.22 M M 3.1 13 230 M M 7 123 21 240
15 77 48 63 6 2 0 0.00 M M 3.6 10 180 M M 2 12 18 230
16 71 46 59 2 6 0 0.39 M M 10.0 31 290 M M 7 1 47 290
17 63 43 53 -5 12 0 0.00 M M 12.5 30 250 M M 1 40 260
18 76 38 57 -1 8 0 0.00 M M 5.4 24 260 M M 1 31 250
19 83 44 64 6 1 0 0.00 M M 2.9 14 200 M M 0 20 160
20 84 48 66 7 0 1 0.00 M M 6.0 20 190 M M 0 29 200
21 77 54 66 7 0 1 0.19 M M 8.0 23 280 M M 1 13 36 190
22 63 46 55 -4 10 0 0.61 M M 8.1 26 260 M M 7 13 45 250
23 56 38 47 -13 18 0 0.00 M M 5.7 15 290 M M 3 20 300
24 58 31 45 -15 20 0 0.00 M M 3.3 14 300 M M 2 20 290
25 65 34 50 -10 15 0 0.00 M M 3.1 12 90 M M 0 16 100
26 70 35 53 -7 12 0 0.00 M M 2.7 10 200 M M 0 13 200
27 64 44 54 -7 11 0 0.29 M M 3.4 8 130 M M 5 1 13 170
28 73 51 62 1 3 0 0.08 M M 6.1 25 280 M M 9 13 38 280
29 68 45 57 -4 8 0 0.00 M M 2.3 8 330 M M 3 12 13 170
30 62 43 53 -9 12 0 0.03 M M 9.1 30 270 M M 6 41 260
================================================================================
SM 2112 1314 243 14 3.27 M 179.2 M 99
================================================================================
AV 70.4 43.8 6.0 FASTST M M 3 MAX(MPH)
MISC ----> 40 240 59 270
================================================================================
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: APRIL
YEAR: 2023
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 57.1 TOTAL FOR MONTH: 3.27 1 = FOG OR MIST
DPTR FM NORMAL: 0.0 DPTR FM NORMAL: -1.38 2 = FOG REDUCING VISIBILITY
HIGHEST: 86 ON 5 GRTST 24HR 1.31 ON 31- 1 TO 1/4 MILE OR LESS
LOWEST: 31 ON 24 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: 10
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 8
MIN 32 OR BELOW: 1 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 243 CLEAR (SCALE 0-3) 15
DPTR FM NORMAL -17 PTCLDY (SCALE 4-7) 12
TOTAL FM JUL 1 MM CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL MM
[CDD (BASE 65) ]
TOTAL THIS MO. 14
DPTR FM NORMAL -10 [PRESSURE DATA]
TOTAL FM JAN 1 18 HIGHEST SLP 30.43 ON 7
DPTR FM NORMAL -9 LOWEST SLP 29.47 ON 30
[REMARKS]
MISSING ANNUAL HEATING DEGREE DAYS DUE TO TEMPERATURE SENSOR
ERROR IN NOVEMBER
#FINAL-04-23#
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