Weather History for Decatur, IL

Change the Weather History Date:

Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 63 °F 37 °F 21 °F
Mean Temperature 52 °F 29 °F 13 °F
Min Temperature 42 °F 20 °F 2 °F
Degree Days  
Heating Degree Days (base 65) 52 36 13 1127
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 57 °F 22 °F -5 °F
Precipitation  
Precipitation 0.93 in 0.08 in 0.00 in 1.54 in
Snowdepth - - - -
Wind  
Wind 29 mph 10 mph 0 mph
Gust Wind 35 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.73 in 30.14 in 29.51 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 23, 2013 Rise Set
Actual Time 7:14 AM CST 4:35 PM CST
Civil Twilight 6:43 AM CST 5:05 PM CST
Nautical Twilight 6:09 AM CST 5:39 PM CST
Astronomical Twilight 5:36 AM CST 6:12 PM CST
Moon 10:44 PM CST (12/23) 10:40 AM CST (12/23)
Length of Visible Light 10h 21m
Length of Day
9h 20m
Waning Gibbous, 68% of the Moon is Illuminated
Dec 23
Waning Gibbous
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Weather History Calendar

Precipitation Actual month total 1.54 Normal Month Total: 2.54
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
52 | 29 0.00
Average:
44 | 28 0.08
Rain
Actual:
48 | 30 T
Average:
43 | 27 0.09
Fog
Actual:
54 | 33 0.00
Average:
43 | 27 0.07
Fog
Actual:
62 | 42 T
Average:
42 | 26 0.08
Rain
Actual:
43 | 23 T
Average:
42 | 26 0.09
Partly Cloudy
Actual:
23 | 14 0.00
Average:
42 | 26 0.09
Clear
Actual:
25 | 9 0.00
Average:
41 | 25 0.08
Snow
Actual:
27 | 18 T
Average:
41 | 25 0.08
Partly Cloudy
Actual:
26 | 15 0.00
Average:
40 | 24 0.08
Clear
Actual:
31 | 6 0.00
Average:
40 | 24 0.08
Snow
Actual:
29 | 6 T
Average:
40 | 24 0.08
Clear
Actual:
32 | 2 0.00
Average:
39 | 24 0.07
Snow
Actual:
43 | 18 T
Average:
39 | 23 0.08
Snow
Actual:
34 | 24 0.27
Average:
39 | 23 0.07
Snow
Actual:
25 | 15 T
Average:
39 | 23 0.07
Snow
Actual:
25 | 17 T
Average:
38 | 22 0.07
Snow
Actual:
35 | 22 0.19
Average:
38 | 22 0.07
Clear
Actual:
40 | 12 0.00
Average:
38 | 22 0.07
Partly Cloudy
Actual:
49 | 38 T
Average:
38 | 22 0.07
Rain
Actual:
63 | 32 0.11
Average:
37 | 22 0.08
Rain
Actual:
36 | 32 0.93
Average:
37 | 21 0.09
Snow
Actual:
36 | 25 0.04
Average:
37 | 21 0.09
Snow
Actual:
25 | 7 T
Average:
37 | 21 0.09
Scattered Clouds
Actual:
21 | 4 0.00
Average:
37 | 21 0.09
Overcast
Actual:
32 | 21 0.00
Average:
37 | 21 0.09
Partly Cloudy
Actual:
41 | 20 0.00
Average:
36 | 21 0.09
Clear
Actual:
47 | 25 0.00
Average:
36 | 20 0.08
Clear
Actual:
54 | 34 0.00
Average:
36 | 20 0.09
Snow
Actual:
39 | 13 T
Average:
36 | 20 0.09
Snow
Actual:
21 | 4 T
Average:
36 | 20 0.10
Scattered Clouds
Actual:
33 | 18 0.00
Average:
36 | 20 0.09
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 52 41 29 34 30 28 92 68 44 30.13 30.06 29.96 10 9 5 9 5 12 0.00  
2 48 39 30 41 36 28 92 79 66 29.94 29.80 29.72 7 5 3 12 6 14 T Rain
3 54 44 33 50 44 32 100 92 83 29.73 29.71 29.66 9 3 0 20 9 25 0.00 Fog
4 62 52 42 55 47 37 100 86 71 29.81 29.68 29.53 10 5 0 23 12 31 T Fog
5 43 33 23 34 19 11 82 70 57 30.30 30.10 29.82 10 10 8 21 13 26 T Rain
6 23 19 14 12 9 5 68 62 56 30.60 30.42 30.30 10 10 10 20 12 22 0.00  
7 25 17 9 8 5 3 76 58 40 30.73 30.64 30.54 10 10 10 16 9 22 0.00  
8 27 23 18 25 20 8 92 77 61 30.50 30.16 30.00 10 4 1 21 12 24 T Rain , Snow
9 26 21 15 22 14 5 81 70 59 30.30 30.22 30.06 10 10 7 20 11 28 0.00  
10 31 19 6 12 8 3 83 63 43 30.36 30.27 30.21 10 10 10 26 9 33 0.00  
11 29 18 6 17 8 -4 83 65 46 30.66 30.47 30.31 10 10 7 23 10 28 T Snow
12 32 17 2 11 4 -5 75 56 36 30.64 30.47 30.28 10 10 10 22 9 26 0.00  
13 43 31 18 31 24 12 92 66 40 30.26 30.11 30.02 10 6 1 17 8 23 T Rain , Snow
14 34 29 24 32 29 20 96 87 78 30.09 29.94 29.84 10 4 0 22 13 28 0.27 Fog , Rain , Snow
15 25 20 15 19 16 10 92 82 71 30.17 30.11 30.06 10 6 2 21 10 28 T Snow
16 25 21 17 23 18 13 96 88 80 30.14 30.08 30.01 10 3 0 18 9 22 T Fog , Snow
17 35 29 22 28 22 12 96 75 53 30.24 30.14 30.08 10 4 0 17 10 25 0.19 Fog , Snow
18 40 26 12 32 18 7 80 66 52 30.27 30.12 29.94 10 10 10 29 14 35 0.00  
19 49 44 38 44 38 32 92 82 71 29.96 29.89 29.80 10 10 9 21 13 25 T  
20 63 48 32 57 42 30 96 90 83 29.86 29.79 29.69 10 7 2 23 12 31 0.11 Rain
21 36 34 32 36 31 29 100 93 85 29.85 29.75 29.51 10 6 2 21 10 24 0.93 Rain
22 36 31 25 36 30 19 100 89 78 30.23 29.90 29.59 10 8 2 18 11 24 0.04 Rain , Snow
23 25 16 7 20 10 -4 84 74 63 30.57 30.44 30.21 10 10 7 21 13 26 T Snow
24 21 13 4 11 3 -5 76 68 59 30.65 30.55 30.40 10 10 10 18 9 25 0.00  
25 32 27 21 27 21 11 78 69 60 30.39 30.27 30.19 10 10 9 20 12 26 0.00  
26 41 31 20 27 24 18 92 70 48 30.39 30.30 30.25 10 10 10 17 10 23 0.00  
27 47 36 25 32 28 22 85 69 53 30.37 30.30 30.21 10 10 10 18 10 22 0.00  
28 54 44 34 34 30 28 76 59 41 30.22 30.09 29.92 10 10 10 18 12 24 0.00  
29 39 26 13 30 22 7 92 78 64 30.26 30.03 29.84 10 8 3 25 13 32 T Snow
30 21 13 4 11 3 -2 83 66 49 30.38 30.30 30.23 10 9 3 18 6 22 T Snow
31 33 26 18 21 14 10 88 69 50 30.41 30.28 30.21 10 10 10 15 7 23 0.00