Mattoon, IL

9:44 PM CDT on May 22, 2017 (GMT -0500)
Coles County Memorial

Weather History for KMTO - September, 2011

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 99 °F 75 °F 60 °F
Mean Temperature 86 °F 65 °F 52 °F
Min Temperature 72 °F 54 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 13 4 0 109
Cooling Degree Days (base 65) 21 3 0 98
Growing Degree Days (base 50) 36 14 2 434
Dew Point  
Dew Point 72 °F 54 °F 33 °F
Precipitation  
Precipitation 0.78 in 0.09 in 0.00 in 2.29 in
Snowdepth - - - -
Wind  
Wind 35 mph 7 mph 0 mph
Gust Wind 41 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 29.99 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 12, 2011 Rise Set
Actual Time 6:31 AM CDT 7:06 PM CDT
Civil Twilight 6:04 AM CDT 7:33 PM CDT
Nautical Twilight 5:32 AM CDT 8:05 PM CDT
Astronomical Twilight 4:59 AM CDT 8:38 PM CDT
Moon 6:55 PM CDT (9/12) 6:47 AM CDT (9/12)
Length of Visible Light 13h 29m
Length of Day
12h 35m
Full, 100% of the Moon is Illuminated
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

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 99 86 72 70 67 65 79 57 35 30.03 29.98 29.93 10 10 10 16 8 23 0.00  
2 98 85 71 71 64 58 84 55 26 30.00 29.95 29.90 10 10 10 15 6 21 0.00  
3 96 83 69 72 67 61 79 59 39 29.94 29.88 29.81 10 10 8 28 6 36 0.18 Rain , Thunderstorm
4 77 67 56 67 62 50 93 69 44 29.99 29.93 29.84 10 9 2 18 9 22 0.01 Rain
5 74 62 49 54 50 45 93 66 38 30.06 30.02 29.98 10 10 10 28 14 37 0.00  
6 72 59 45 50 45 42 93 67 40 30.11 30.07 30.03 10 10 10 25 14 33 0.00  
7 77 62 47 51 46 40 93 60 27 30.12 30.08 30.04 10 10 10 25 13 33 0.00  
8 74 62 50 58 53 46 93 67 41 30.09 30.01 29.92 10 8 3 26 11 35 0.10 Rain
9 65 63 60 61 60 58 100 92 84 29.95 29.90 29.86 10 7 2 9 3 12 0.11 Rain
10 74 67 60 61 59 57 97 77 57 30.02 29.99 29.94 10 7 4 10 1 14 0.00  
11 80 69 57 61 59 55 93 72 50 30.06 30.03 29.99 10 7 2 10 2 13 T Rain
12 87 75 63 61 58 56 84 60 35 30.09 30.01 29.93 10 10 10 15 7 21 0.00  
13 92 76 60 60 59 55 87 60 32 29.95 29.90 29.87 10 10 10 16 9 24 T  
14 66 57 48 61 55 47 93 86 78 30.14 30.05 29.98 10 6 2 26 9 33 0.78 Rain , Thunderstorm
15 65 52 39 44 38 33 86 60 34 30.33 30.28 30.14 10 10 10 22 9 29 0.00  
16 64 56 47 47 41 34 86 59 31 30.36 30.29 30.23 10 10 10 14 5 17 T Rain
17 73 63 53 51 48 44 83 59 35 30.27 30.21 30.17 10 10 10 10 4 17 T  
18 71 65 59 65 60 50 93 79 65 30.17 30.08 29.98 10 9 4 15 9 20 0.32 Rain
19 72 66 60 66 63 59 100 87 73 30.04 29.97 29.94 10 7 2 20 7 22 0.03 Rain
20 77 67 56 63 59 55 100 80 60 30.07 30.03 29.96 10 6 0 12 4 15 0.00 Fog
21 79 68 57 64 56 40 100 63 26 30.06 30.00 29.97 10 5 0 20 7 24 0.00 Fog
22 69 60 51 55 51 46 93 73 52 30.15 30.11 30.05 10 10 9 12 5 14 0.15 Rain
23 69 58 46 53 45 40 100 67 33 30.12 30.07 29.99 10 7 0 17 6 23 0.00 Fog
24 67 58 48 54 49 46 96 72 48 29.99 29.94 29.89 10 8 0 13 3 17 0.04 Fog , Rain
25 60 54 47 56 52 45 100 89 78 29.91 29.85 29.73 10 5 0 13 4 17 0.37 Fog , Rain
26 66 57 48 54 50 46 93 71 48 29.78 29.73 29.67 10 8 2 17 8 25 0.09 Rain
27 61 57 53 54 51 48 86 79 72 29.85 29.78 29.67 10 10 9 16 8 22 0.04 Rain
28 71 62 52 54 51 49 93 71 49 29.84 29.82 29.80 10 10 5 15 5 20 0.07 Rain
29 85 69 52 57 49 41 89 61 32 29.85 29.81 29.73 10 10 10 35 12 41 T  
30 68 54 40 43 38 34 76 53 29 30.13 30.00 29.83 10 10 2 29 16 35 0.00