Weather History for Decatur, IL

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 65 °F 39 °F 16 °F
Mean Temperature 59 °F 30 °F 10 °F
Min Temperature 52 °F 20 °F 4 °F
Degree Days  
Heating Degree Days (base 65) 55 35 6 1082
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 0 0 12
Dew Point  
Dew Point 58 °F 22 °F -5 °F
Precipitation  
Precipitation 1.00 in 0.08 in 0.00 in 2.15 in
Snowdepth - - - -
Wind  
Wind 46 mph 11 mph 0 mph
Gust Wind 86 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.65 in 30.17 in 29.33 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 04, 2013 Rise Set
Actual Time 7:17 AM CST 4:44 PM CST
Civil Twilight 6:46 AM CST 5:14 PM CST
Nautical Twilight 6:13 AM CST 5:48 PM CST
Astronomical Twilight 5:40 AM CST 6:21 PM CST
Moon No Moon Rise 11:00 AM CST (1/4)
Length of Visible Light 10h 27m
Length of Day
9h 27m
Waning Gibbous, 55% of the Moon is Illuminated
Jan 4
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 2.15 Normal Month Total: 1.74
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
25 | 11 0.00
Average:
36 | 20 0.08
Clear
Actual:
24 | 7 0.00
Average:
36 | 20 0.08
Partly Cloudy
Actual:
35 | 15 0.00
Average:
36 | 20 0.08
Clear
Actual:
35 | 13 0.00
Average:
36 | 20 0.07
Snow
Actual:
37 | 21 0.00
Average:
34 | 20 0.03
Partly Cloudy
Actual:
37 | 17 0.00
Average:
35 | 20 0.07
Clear
Actual:
39 | 18 0.00
Average:
33 | 19 0.03
Scattered Clouds
Actual:
46 | 26 0.00
Average:
33 | 19 0.03
Scattered Clouds
Actual:
52 | 26 0.00
Average:
35 | 19 0.06
Rain
Actual:
53 | 28 0.21
Average:
32 | 18 0.03
Rain
Actual:
58 | 49 0.08
Average:
35 | 19 0.06
Rain
Actual:
58 | 31 0.56
Average:
35 | 19 0.05
Snow
Actual:
31 | 16 T
Average:
35 | 19 0.05
Scattered Clouds
Actual:
25 | 14 0.00
Average:
35 | 19 0.06
Scattered Clouds
Actual:
31 | 11 0.00
Average:
35 | 19 0.05
Partly Cloudy
Actual:
37 | 19 0.00
Average:
35 | 19 0.07
Scattered Clouds
Actual:
38 | 23 0.00
Average:
35 | 19 0.07
Clear
Actual:
44 | 19 0.00
Average:
35 | 19 0.05
Clear
Actual:
56 | 37 0.00
Average:
35 | 19 0.05
Snow
Actual:
41 | 19 T
Average:
35 | 19 0.04
Snow
Actual:
19 | 7 T
Average:
35 | 19 0.05
Scattered Clouds
Actual:
16 | 4 0.00
Average:
35 | 19 0.04
Partly Cloudy
Actual:
35 | 12 0.00
Average:
35 | 19 0.04
Scattered Clouds
Actual:
26 | 9 T
Average:
35 | 19 0.05
Snow
Actual:
37 | 21 0.01
Average:
35 | 19 0.04
Clear
Actual:
34 | 14 0.00
Average:
35 | 19 0.05
Rain
Actual:
44 | 18 0.10
Average:
35 | 20 0.04
Rain
Actual:
61 | 46 0.02
Average:
35 | 20 0.04
Thunderstorm
Actual:
65 | 52 1.00
Average:
35 | 20 0.04
Snow
Actual:
53 | 24 0.17
Average:
35 | 20 0.04
Snow
Actual:
27 | 7 T
Average:
36 | 20 0.05
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 25 18 11 18 12 6 84 72 59 30.26 30.21 30.12 10 9 5 16 9 18 0.00  
2 24 16 7 12 8 3 88 72 55 30.30 30.25 30.21 10 9 6 15 7 17 0.00  
3 35 25 15 26 19 9 88 78 67 30.39 30.30 30.21 10 9 5 15 9 20 0.00  
4 35 24 13 23 18 9 84 72 59 30.41 30.36 30.32 10 10 9 20 9 25 0.00  
5 37 29 21 31 25 17 87 77 69 30.32 30.22 30.07 10 9 1 15 8 21 0.00 Snow
6 37 27 17 30 22 14 84 74 63 30.40 30.22 30.03 10 8 3 26 11 86 0.00  
7 39 28 18 25 21 14 89 77 55 30.42 30.32 30.19 10 8 4 17 8 22 0.00  
8 46 36 26 34 27 22 85 72 51 30.24 30.18 30.14 10 8 4 15 8 23 0.00  
9 52 39 26 35 31 25 92 68 44 30.52 30.37 30.16 10 10 10 46 7 - 0.00  
10 53 40 28 43 33 24 100 84 67 30.51 30.15 29.83 10 5 0 18 10 24 0.21 Fog , Rain
11 58 54 49 53 48 46 100 86 72 29.87 29.81 29.75 10 9 2 25 16 32 0.08 Rain
12 58 45 31 49 38 30 96 80 63 29.96 29.89 29.82 10 7 2 23 12 30 0.56 Rain
13 31 24 16 30 20 10 92 83 73 30.36 30.08 29.89 10 8 2 23 13 29 T Rain , Snow
14 25 20 14 16 13 9 88 78 68 30.50 30.45 30.38 10 10 9 16 6 20 0.00  
15 31 21 11 22 17 8 92 81 69 30.45 30.34 30.16 10 9 6 15 7 17 0.00  
16 37 28 19 26 21 17 92 72 51 30.15 30.09 30.00 10 8 4 21 8 25 0.00  
17 38 31 23 28 23 17 85 69 52 30.48 30.31 30.13 10 9 6 22 9 26 0.00  
18 44 32 19 29 23 16 88 67 45 30.50 30.32 30.11 10 10 10 29 16 38 0.00  
19 56 47 37 37 31 27 70 60 50 30.11 30.00 29.88 10 10 10 28 18 39 0.00  
20 41 30 19 25 13 8 71 59 46 30.35 30.29 30.09 10 9 2 30 11 39 T Snow
21 19 13 7 13 2 -5 74 57 40 30.40 30.31 30.24 10 10 7 24 16 38 T Snow
22 16 10 4 -1 -3 -5 76 58 40 30.48 30.43 30.40 10 10 10 15 9 22 0.00  
23 35 24 12 18 9 -1 63 52 40 30.39 30.27 30.14 10 10 10 22 9 30 0.00  
24 26 18 9 7 4 -2 63 52 40 30.65 30.50 30.35 10 10 9 24 12 30 T  
25 37 29 21 19 15 2 71 54 36 30.29 30.16 30.06 10 9 2 18 9 53 0.01 Snow
26 34 24 14 18 12 8 74 57 39 30.43 30.36 30.23 10 10 9 22 6 - 0.00  
27 44 31 18 41 31 15 100 82 63 30.38 30.13 29.97 10 5 2 35 14 32 0.10 Rain
28 61 54 46 58 52 42 100 92 84 29.98 29.93 29.87 7 4 1 21 16 25 0.02 Rain
29 65 59 52 58 55 51 100 87 73 29.85 29.62 29.45 10 7 2 10 20 13 1.00 Rain , Thunderstorm
30 53 39 24 52 35 15 100 84 68 29.81 29.47 29.33 10 8 1 35 18 46 0.17 Rain , Snow
31 27 17 7 19 11 -4 74 65 55 30.29 30.01 29.80 10 7 0 29 16 34 T Snow