July 2021 was near normal temperature-wise eastern Kentucky. Jackson averaged 75.8 degrees which
made July 2021 almost a half a degree warmer than normal. London finished July 2021 with a reading of
75.5 degrees which is 0.8 degrees below normal. Jackson finished July with a total of 7.52 inches which is
almost three inches normal. In fact, July 2021 was the 3rd wettest July at Jackson. The London Corbin
Airport finished July 2021 with a precipitation total of 9.45 inches which is almost 5 and a half inches
wetter than normal. July 2021 was the 4th wettest July at London. Climate data for Jackson dates back to 1981
while weather records began in 1954 at London.
The following are July climate summaries for Jackson and London as well as the July Local Climatological
Data reports for Jackson and London:
...THE JACKSON KY CLIMATE SUMMARY FOR THE MONTH OF JULY 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
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 101 07/08/1988
LOW 52 07/30/2014
07/07/1983
01/03/2000
HIGHEST 91 07/06 93 -2 93 07/21
07/20
07/19
LOWEST 55 07/03 57 -2 64 07/12
AVG. MAXIMUM 84.5 85.0 -0.5 88.3
AVG. MINIMUM 67.1 66.5 0.6 69.5
MEAN 75.8 75.7 0.1 78.9
DAYS MAX >= 90 2 5.3 -3.3 15
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 9.74 1985
MINIMUM 1.77 1995
TOTALS 7.52 5.10 2.42 5.45
DAILY AVG. 0.24 0.16 0.08 0.18
DAYS >= .01 16 12.6 3.4 13
DAYS >= .10 12 9.0 3.0 9
DAYS >= .50 6 3.9 2.1 4
DAYS >= 1.00 3 1.2 1.8 1
GREATEST
24 HR. TOTAL 2.37 07/29 TO 07/30 1.49
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 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 0.0 0.0
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 0
COOLING TOTAL 341 334 7 440
SINCE 1/1 750 728 22 853
................................................................
WIND (MPH)
AVERAGE WIND SPEED 1.4
HIGHEST WIND SPEED/DIRECTION 21/310 DATE 07/15
21/140 07/30
HIGHEST GUST SPEED/DIRECTION 48/040 DATE 07/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.29
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 14 MIXED PRECIP 0
HEAVY RAIN 11 RAIN 10
LIGHT RAIN 18 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 7
HAZE 5
- 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: JULY
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 76 67 72 -3 0 7 0.58 0.0 0 0.6 9 330 M M 8 13 14 310
2 78 62 70 -5 0 5 T 0.0 0 1.6 10 330 M M 5 12 20 30
3 78 55 67 -9 0 2 0.00 0.0 0 1.3 9 310 M M 1 14 320
4 85 61 73 -3 0 8 0.00 0.0 0 1.2 9 310 M M 3 14 260
5 88 69 79 3 0 14 T 0.0 0 0.6 7 340 M M 2 1 10 300
6 91 70 81 5 0 16 T 0.0 0 0.4 6 350 M M 3 123 13 320
7 86 70 78 2 0 13 0.52 0.0 0 1.7 10 190 M M 3 13 21 210
8 84 70 77 1 0 12 0.20 0.0 0 1.2 8 340 M M 6 13 17 270
9 85 69 77 1 0 12 0.22 0.0 0 3.1 10 300 M M 5 13 20 250
10 84 66 75 -1 0 10 1.02 0.0 0 1.9 15 350 M M 4 123 31 330
11 84 68 76 0 0 11 1.13 0.0 0 3.7 13 180 M M 5 13 25 240
12 87 68 78 2 0 13 0.00 0.0 0 3.8 12 170 M M 4 1 19 200
13 81 71 76 0 0 11 0.34 0.0 0 2.4 12 190 M M 5 1 21 200
14 85 69 77 1 0 12 0.13 0.0 0 0.8 8 300 M M 5 1 14 290
15 85 69 77 1 0 12 0.08 0.0 0 2.0 21 310 M M 2 138 31 320
16 87 70 79 3 0 14 0.03 0.0 0 2.2 9 170 M M 1 3 18 170
17 84 72 78 2 0 13 0.07 0.0 0 1.8 8 250 M M 5 123 18 240
18 79 67 73 -3 0 8 0.00 0.0 0 0.5 5 100 M M 7 12 9 120
19 84 66 75 -1 0 10 0.00 0.0 0 0.6 6 120 M M 1 13 130
20 84 67 76 0 0 11 0.00 0.0 0 0.4 6 150 M M 0 8 10 100
21 84 65 75 -1 0 10 0.00 0.0 0 1.6 8 320 M M 3 128 14 340
22 81 64 73 -3 0 8 0.00 0.0 0 0.1 6 320 M M 0 18 10 340
23 84 64 74 -2 0 9 0.00 0.0 0 0.1 5 130 M M 0 10 120
24 88 64 76 0 0 11 0.00 0.0 0 0.6 8 310 M M 0 13 270
25 90 70 80 4 0 15 0.65 0.0 0 1.5 16 310 M M 2 13 27 310
26 88 70 79 3 0 14 0.17 0.0 0 1.1 7 310 M M 1 138 11 180
27 88 70 79 3 0 14 0.00 0.0 0 0.8 9 310 M M 0 13 320
28 87 66 77 1 0 12 0.00 0.0 0 0.7 8 320 M M 0 14 320
29 88 68 78 2 0 13 2.07 0.0 0 1.3 17 100 M M 1 123 48 40
30 85 69 77 1 0 12 0.30 0.0 0 2.3 21 140 M M 4 13 37 150
31 82 65 74 -2 0 9 0.01 0.0 0 1.0 9 310 M M 3 1 14 320
================================================================================
SM 2620 2081 0 341 7.52 0.0 42.9 M 89
================================================================================
AV 84.5 67.1 1.4 FASTST M M 3 MAX(MPH)
MISC ----> # 21 310 48 40
================================================================================
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: JULY
YEAR: 2021
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 75.8 TOTAL FOR MONTH: 7.52 1 = FOG OR MIST
DPTR FM NORMAL: 0.1 DPTR FM NORMAL: 2.42 2 = FOG REDUCING VISIBILITY
HIGHEST: 91 ON 6 GRTST 24HR 2.37 ON 29-30 TO 1/4 MILE OR LESS
LOWEST: 55 ON 3 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: 16
MAX 90 OR ABOVE: 2 0.10 INCH OR MORE: 12
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 6
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 3
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 18
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 13
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 341
DPTR FM NORMAL 7 [PRESSURE DATA]
TOTAL FM JAN 1 750 HIGHEST SLP 30.25 ON 14
DPTR FM NORMAL 22 LOWEST SLP 29.85 ON 29
[REMARKS]
#FINAL-07-21#
London Kentucky data:
...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF JULY 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
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 101 07/01/2012
07/31/1999
07/30/1999
LOW 45 07/10/1961
HIGHEST 90 07/25 MM MM 94 07/21
07/20
07/19
LOWEST 55 07/03 MM MM 62 07/14
AVG. MAXIMUM 84.9 86.3 -1.4 89.3
AVG. MINIMUM 66.2 66.3 -0.1 68.3
MEAN 75.5 76.3 -0.8 78.8
DAYS MAX >= 90 1 7.5 -6.5 16
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 11.23 2015
MINIMUM 1.12 1974
TOTALS 9.45 5.16 4.29 4.14
DAILY AVG. 0.30 0.17 0.13 0.13
DAYS >= .01 15 13.4 1.6 13
DAYS >= .10 12 8.9 3.1 6
DAYS >= .50 6 3.6 2.4 3
DAYS >= 1.00 4 1.4 2.6 2
GREATEST
24 HR. TOTAL 1.84 07/10 TO 07/10 1.23
07/17 TO 07/18
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 0 0 0 0
SINCE 7/1 0 0 0 0
COOLING TOTAL 334 350 -16 438
SINCE 1/1 674 723 -49 768
................................................................
WIND (MPH)
AVERAGE WIND SPEED 4.1
HIGHEST WIND SPEED/DIRECTION 23/270 DATE 07/09
HIGHEST GUST SPEED/DIRECTION 32/250 DATE 07/09
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.31
NUMBER OF DAYS FAIR 16
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 12 MIXED PRECIP 0
HEAVY RAIN 11 RAIN 12
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 30 FOG W/VIS <= 1/4 MILE 5
HAZE 6
- 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: JULY
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 83 66 75 -1 0 10 1.31 M M 5.0 15 240 M M 6 13 20 240
2 80 60 70 -6 0 5 0.00 M M 6.1 16 30 M M 5 1 24 20
3 78 55 67 -9 0 2 0.00 M M 2.4 10 340 M M 2 18 15 340
4 84 59 72 -4 0 7 0.00 M M 3.6 12 260 M M 3 18 15 260
5 88 67 78 2 0 13 T M M 1.4 10 330 M M 4 13 15 310
6 89 67 78 2 0 13 T M M 2.3 9 240 M M 2 12 13 170
7 82 69 76 0 0 11 0.01 M M 3.7 18 200 M M 6 1 25 200
8 85 70 78 2 0 13 0.13 M M 5.1 17 230 M M 6 1 28 230
9 86 70 78 2 0 13 0.49 M M 6.1 23 270 M M 5 13 32 250
10 84 66 75 -1 0 10 1.84 M M 4.7 20 180 M M 4 123 25 180
11 85 68 77 1 0 12 0.87 M M 7.3 20 300 M M 6 123 28 310
12 85 68 77 1 0 12 0.06 M M 7.0 17 190 M M 4 1 27 190
13 82 70 76 0 0 11 0.31 M M 6.6 20 200 M M 5 1 29 200
14 84 69 77 1 0 12 T M M 3.8 10 210 M M 4 1 18 230
15 88 67 78 2 0 13 0.10 M M 3.5 13 240 M M 2 13 20 250
16 84 68 76 0 0 11 0.40 M M 2.9 18 180 M M 1 138 31 170
17 83 68 76 0 0 11 1.74 M M 7.0 16 240 M M 7 13 22 240
18 80 68 74 -2 0 9 0.10 M M 4.0 14 30 M M 6 13 19 40
19 84 65 75 -1 0 10 0.00 M M 5.2 13 70 M M 2 22 30
20 85 67 76 0 0 11 0.00 M M 4.5 12 40 M M 0 1 17 20
21 85 65 75 -1 0 10 0.00 M M 2.3 13 350 M M 4 128 17 350
22 83 65 74 -2 0 9 0.00 M M 4.4 10 360 M M 0 18 16 60
23 85 61 73 -3 0 8 0.00 M M 2.8 9 30 M M 0 1 13 40
24 87 62 75 -1 0 10 0.00 M M 3.2 12 240 M M 0 18 17 230
25 90 68 79 3 0 14 0.03 M M 3.1 12 260 M M 2 13 17 230
26 85 71 78 2 0 13 0.85 M M 2.5 10 310 M M 2 13 14 310
27 89 69 79 3 0 14 0.00 M M 2.3 13 20 M M 1 12 18 10
28 88 64 76 0 0 11 0.00 M M 1.2 8 30 M M 0 1 12 310
29 88 67 78 2 0 13 0.00 M M 4.5 12 270 M M 1 1 16 200
30 87 69 78 2 0 13 1.21 M M 5.6 20 30 M M 4 13 30 40
31 85 65 75 -1 0 10 0.00 M M 3.6 13 270 M M 3 1 19 250
================================================================================
SM 2631 2053 0 334 9.45 M 127.7 M 97
================================================================================
AV 84.9 66.2 4.1 FASTST M M 3 MAX(MPH)
MISC ----> 23 270 32 250
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: LONDON KY
MONTH: JULY
YEAR: 2021
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 75.5 TOTAL FOR MONTH: 9.45 1 = FOG OR MIST
DPTR FM NORMAL: -0.8 DPTR FM NORMAL: 4.29 2 = FOG REDUCING VISIBILITY
HIGHEST: 90 ON 25 GRTST 24HR 1.84 ON 10-10 TO 1/4 MILE OR LESS
LOWEST: 55 ON 3 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: 1 0.10 INCH OR MORE: 12
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 6
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 4
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 16
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 15
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 334
DPTR FM NORMAL -16 [PRESSURE DATA]
TOTAL FM JAN 1 674 HIGHEST SLP 30.27 ON 14
DPTR FM NORMAL -49 LOWEST SLP 29.89 ON 8
[REMARKS]
#FINAL-07-21#
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