Weather History for Mattoon, IL

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 81 °F 67 °F
Mean Temperature 85 °F 69 °F 36 °F
Min Temperature 74 °F 56 °F 0 °F
Degree Days  
Heating Degree Days (base 65) 28 2 0 58
Cooling Degree Days (base 65) 20 6 0 172
Growing Degree Days (base 50) 34 19 0 570
Dew Point  
Dew Point 74 °F 59 °F -1 °F
Precipitation  
Precipitation 0.22 in 0.02 in 0.00 in 0.48 in
Snowdepth - - - -
Wind  
Wind 21 mph 6 mph 0 mph
Gust Wind 30 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 30.02 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 21, 2013 Rise Set
Actual Time 6:40 AM CDT 6:51 PM CDT
Civil Twilight 6:13 AM CDT 7:18 PM CDT
Nautical Twilight 5:41 AM CDT 7:49 PM CDT
Astronomical Twilight 5:09 AM CDT 8:21 PM CDT
Moon 8:02 PM CDT (9/21) 8:57 AM CDT (9/21)
Length of Visible Light 13h 04m
Length of Day
12h 11m
Waning Gibbous, 94% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Weather History Calendar

Precipitation Actual month total 0.48 Normal Month Total: 3.07
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Partly Cloudy
Actual:
84 | 68 0.00
Average:
83 | 60 0.13
Clear
Actual:
86 | 61 0.00
Average:
83 | 60 0.13
Fog
Actual:
77 | 55 0.00
Average:
83 | 60 0.12
Clear
Actual:
83 | 53 0.00
Average:
83 | 60 0.11
Clear
Actual:
86 | 59 0.00
Average:
82 | 59 0.11
Clear
Actual:
86 | 62 0.00
Average:
82 | 59 0.12
Clear
Actual:
87 | 67 T
Average:
82 | 59 0.12
Scattered Clouds
Actual:
87 | 71 0.00
Average:
81 | 58 0.11
Scattered Clouds
Actual:
95 | 71 0.00
Average:
81 | 58 0.09
Clear
Actual:
96 | 74 0.00
Average:
81 | 58 0.10
Clear
Actual:
95 | 72 0.00
Average:
80 | 57 0.10
Rain
Actual:
84 | 57 0.12
Average:
80 | 57 0.10
Scattered Clouds
Actual:
73 | 48 0.00
Average:
80 | 56 0.10
Clear
Actual:
73 | 41 0.00
Average:
79 | 56 0.10
Partly Cloudy
Actual:
77 | 49 0.00
Average:
79 | 56 0.10
Overcast
Actual:
67 | 53 0.00
Average:
78 | 55 0.09
Scattered Clouds
Actual:
76 | 49 0.00
Average:
78 | 55 0.08
Rain
Actual:
83 | 62 0.01
Average:
78 | 54 0.08
Scattered Clouds
Actual:
89 | 71 T
Average:
77 | 54 0.08
Thunderstorm
Actual:
75 | 57 0.22
Average:
77 | 54 0.09
Scattered Clouds
Actual:
73 | 50 0.00
Average:
76 | 53 0.08
Clear
Actual:
73 | 45 0.00
Average:
76 | 53 0.09
Clear
Actual:
75 | 0 0.00
Average:
75 | 52 0.09
Scattered Clouds
Actual:
80 | 49 0.00
Average:
75 | 52 0.09
Scattered Clouds
Actual:
82 | 59 0.00
Average:
75 | 51 0.09
Clear
Actual:
83 | 52 0.00
Average:
74 | 51 0.09
Clear
Actual:
82 | 51 0.00
Average:
74 | 51 0.10
Partly Cloudy
Actual:
82 | 55 T
Average:
73 | 50 0.11
Rain
Actual:
76 | 55 0.13
Average:
73 | 50 0.13
Fog
Actual:
76 | 58 0.00
Average:
72 | 49 0.14
 

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

2013 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 84 76 68 73 70 66 100 83 65 29.83 29.80 29.75 10 9 3 14 6 17 0.00  
2 86 74 61 71 64 59 100 72 44 29.94 29.88 29.81 10 10 8 16 8 - 0.00  
3 77 66 55 60 57 54 100 73 46 30.08 30.04 29.96 10 8 0 13 4 - 0.00 Fog
4 83 68 53 64 58 54 100 72 43 30.17 30.13 30.08 10 10 10 9 2 13 0.00  
5 86 73 59 66 61 58 100 72 43 30.21 30.16 30.13 10 10 8 8 2 12 0.00  
6 86 74 62 68 64 61 93 71 48 30.19 30.13 30.05 10 10 10 12 4 14 0.00  
7 87 77 67 68 65 63 93 68 43 30.06 30.00 29.93 10 10 7 13 6 17 T  
8 87 79 71 72 69 67 93 72 50 29.97 29.94 29.91 10 10 6 10 4 13 0.00  
9 95 83 71 74 71 69 100 73 46 29.96 29.94 29.90 10 8 3 15 7 21 0.00  
10 96 85 74 73 71 67 94 68 41 30.08 30.04 29.97 10 8 4 17 7 24 0.00  
11 95 84 72 72 67 60 100 67 33 30.12 30.06 29.99 10 9 3 16 7 21 0.00  
12 84 71 57 72 64 50 100 71 41 30.05 30.00 29.93 10 10 8 21 9 28 0.12 Rain
13 73 61 48 56 50 43 100 68 35 30.14 30.10 30.04 10 10 10 20 8 25 0.00  
14 73 57 41 48 44 39 100 66 31 30.19 30.12 30.07 10 10 10 13 4 15 0.00  
15 77 63 49 61 52 46 93 67 41 30.10 30.06 30.00 10 10 10 17 6 22 0.00  
16 67 60 53 61 56 51 100 82 63 30.28 30.22 30.10 10 9 4 17 10 22 0.00  
17 76 63 49 55 52 48 96 71 46 30.29 30.21 30.10 10 10 10 15 6 21 0.00  
18 83 73 62 69 63 54 93 76 58 30.12 30.05 29.99 10 9 5 14 8 18 0.01 Rain
19 89 80 71 71 70 68 93 72 50 30.01 29.96 29.87 10 8 5 17 9 22 T  
20 75 66 57 72 68 56 100 91 82 29.91 29.87 29.83 10 9 2 14 6 17 0.22 Rain , Thunderstorm
21 73 62 50 54 50 45 100 70 40 29.92 29.88 29.85 10 10 10 21 9 25 0.00  
22 73 59 45 51 47 44 100 68 35 30.03 29.98 29.94 10 10 10 10 3 14 0.00  
23 75 36 0 49 44 -1 100 67 33 30.08 30.02 29.99 10 10 10 13 6 18 0.00  
24 80 65 49 59 54 48 93 69 45 30.01 29.93 29.85 10 10 10 14 6 16 0.00  
25 82 71 59 62 59 54 100 70 40 29.90 29.86 29.83 10 10 7 12 4 - 0.00  
26 83 68 52 57 51 43 96 60 24 30.05 30.00 29.91 10 10 8 10 3 - 0.00  
27 82 67 51 57 53 50 100 68 36 30.15 30.09 30.05 10 10 10 14 5 17 0.00  
28 82 69 55 60 56 53 93 66 39 30.10 30.03 29.98 10 10 10 21 9 30 T  
29 76 66 55 63 56 48 100 69 38 30.04 30.00 29.96 10 8 0 15 6 18 0.13 Fog , Rain
30 76 67 58 63 60 56 100 75 50 30.01 29.98 29.93 10 5 0 14 6 18 0.00 Fog