Weather History for Louisville, KY

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 102 °F 77 °F 63 °F
Mean Temperature 89 °F 69 °F 58 °F
Min Temperature 75 °F 60 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 7 1 0 39
Cooling Degree Days (base 65) 24 5 0 153
Growing Degree Days (base 50) 38 18 8 549
Dew Point  
Dew Point 69 °F 56 °F 32 °F
Precipitation  
Precipitation 2.04 in 0.23 in 0.00 in 5.74 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 26 mph 7 mph 0 mph
Gust Wind 35 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 29.98 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 06, 2011 Rise Set
Actual Time 7:16 AM EDT 8:05 PM EDT
Civil Twilight 6:49 AM EDT 8:32 PM EDT
Nautical Twilight 6:18 AM EDT 9:03 PM EDT
Astronomical Twilight 5:45 AM EDT 9:36 PM EDT
Moon 4:36 PM EDT (9/6) 1:35 AM EDT (9/6)
Length of Visible Light 13h 42m
Length of Day
12h 48m
Waxing Gibbous, 70% of the Moon is Illuminated
Sep 6
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 5.74 Normal Month Total: 3.05
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
100 | 74 0.00
Average:
87 | 66 0.09
Scattered Clouds
Actual:
101 | 75 0.00
Average:
86 | 66 0.09
Partly Cloudy
Actual:
102 | 75 0.00
Average:
86 | 65 0.09
Rain
Actual:
85 | 69 0.12
Average:
86 | 65 0.09
Rain
Actual:
69 | 61 T
Average:
85 | 65 0.09
Rain
Actual:
66 | 56 0.30
Average:
85 | 64 0.09
Rain
Actual:
65 | 58 0.02
Average:
85 | 64 0.09
Rain
Actual:
63 | 57 0.06
Average:
85 | 64 0.10
Overcast
Actual:
69 | 60 T
Average:
84 | 63 0.11
Rain
Actual:
81 | 60 0.05
Average:
84 | 63 0.11
Thunderstorm
Actual:
82 | 61 0.05
Average:
83 | 63 0.10
Scattered Clouds
Actual:
86 | 61 0.00
Average:
83 | 62 0.11
Scattered Clouds
Actual:
93 | 63 0.00
Average:
83 | 62 0.11
Rain
Actual:
86 | 60 0.14
Average:
82 | 61 0.11
Rain
Actual:
68 | 51 0.05
Average:
82 | 61 0.11
Partly Cloudy
Actual:
71 | 51 0.00
Average:
82 | 61 0.10
Partly Cloudy
Actual:
78 | 52 0.00
Average:
81 | 60 0.10
Rain
Actual:
77 | 60 0.14
Average:
81 | 60 0.09
Rain
Actual:
68 | 65 0.53
Average:
80 | 59 0.10
Overcast
Actual:
75 | 65 T
Average:
80 | 59 0.10
Rain
Actual:
81 | 68 0.02
Average:
79 | 58 0.10
Partly Cloudy
Actual:
80 | 59 T
Average:
79 | 58 0.10
Rain
Actual:
72 | 54 0.85
Average:
79 | 57 0.11
Rain
Actual:
69 | 53 0.04
Average:
78 | 57 0.10
Thunderstorm
Actual:
71 | 59 1.32
Average:
78 | 57 0.11
Thunderstorm
Actual:
71 | 57 2.04
Average:
77 | 56 0.11
Partly Cloudy
Actual:
72 | 56 0.00
Average:
77 | 56 0.11
Partly Cloudy
Actual:
72 | 52 T
Average:
77 | 55 0.11
Rain
Actual:
81 | 54 0.01
Average:
76 | 55 0.11
Partly Cloudy
Actual:
66 | 50 0.00
Average:
76 | 54 0.11
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 100 87 74 67 64 63 69 49 29 30.08 30.03 29.96 10 8 7 15 6 22 0.00  
2 101 88 75 68 66 61 79 53 27 30.03 29.97 29.92 9 8 5 12 3 18 0.00  
3 102 89 75 69 65 60 82 55 27 29.95 29.88 29.79 10 8 5 14 4 18 0.00  
4 85 77 69 68 66 65 97 74 51 29.90 29.85 29.81 10 8 2 18 6 22 0.12 Rain
5 69 65 61 64 55 51 84 74 63 29.93 29.90 29.86 10 10 10 21 15 28 T Rain
6 66 61 56 57 53 51 90 74 58 29.94 29.90 29.86 10 9 2 22 15 31 0.30 Rain
7 65 62 58 58 56 54 93 80 67 30.01 29.96 29.91 10 7 2 21 13 25 0.02 Rain
8 63 60 57 61 58 54 100 90 80 30.01 29.96 29.94 10 6 2 17 6 21 0.06 Rain
9 69 65 60 61 59 57 100 84 68 29.96 29.93 29.90 10 8 2 13 5 23 T  
10 81 71 60 63 59 57 97 73 48 30.02 29.98 29.95 10 9 6 15 4 20 0.05 Rain
11 82 72 61 65 60 57 97 71 45 30.10 30.04 29.99 10 9 4 15 5 18 0.05 Rain , Thunderstorm
12 86 74 61 62 59 57 93 67 40 30.12 30.05 29.99 10 10 6 9 3 14 0.00  
13 93 78 63 61 60 56 84 57 30 30.01 29.96 29.90 10 9 6 17 8 23 0.00  
14 86 73 60 63 59 51 90 66 42 29.99 29.94 29.90 10 9 6 23 7 30 0.14 Rain
15 68 60 51 57 45 32 93 61 28 30.29 30.13 29.99 10 8 5 26 13 35 0.05 Rain
16 71 61 51 43 38 35 59 45 30 30.33 30.26 30.19 10 10 10 17 10 22 0.00  
17 78 65 52 51 46 41 77 53 29 30.27 30.22 30.18 10 10 10 8 2 12 0.00  
18 77 69 60 66 58 51 93 75 56 30.23 30.16 30.09 10 9 4 13 4 16 0.14 Rain
19 68 67 65 66 63 62 93 90 87 30.06 30.03 29.99 10 7 2 15 8 20 0.53 Rain
20 75 70 65 66 64 63 93 81 68 30.10 30.05 30.01 10 8 4 17 5 20 T  
21 81 75 68 68 65 58 93 72 51 30.04 30.02 29.98 10 6 1 15 6 17 0.02 Rain
22 80 70 59 59 53 47 84 59 33 30.12 30.07 30.04 10 10 6 17 6 23 T  
23 72 63 54 54 51 42 93 64 35 30.10 30.06 30.01 10 8 2 17 6 21 0.85 Rain
24 69 61 53 56 53 49 93 74 55 30.06 30.00 29.93 10 9 6 13 4 15 0.04 Rain
25 71 65 59 63 57 53 84 73 61 29.98 29.86 29.69 10 9 4 22 7 29 1.32 Rain , Thunderstorm
26 71 64 57 65 57 46 93 69 44 29.88 29.76 29.66 10 7 1 21 8 26 2.04 Rain , Thunderstorm
27 72 64 56 52 49 47 77 62 47 29.88 29.84 29.80 10 10 10 20 9 26 0.00  
28 72 62 52 56 52 49 89 69 49 29.88 29.84 29.80 10 10 9 12 2 14 T  
29 81 68 54 56 53 46 93 68 42 29.89 29.82 29.71 10 9 6 25 8 35 0.01 Rain
30 66 58 50 45 42 39 66 56 46 30.04 29.92 29.80 10 10 10 22 13 29 0.00