Weather History for Decatur, IL

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 76 °F 52 °F
Mean Temperature 80 °F 65 °F 47 °F
Min Temperature 70 °F 55 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 18 4 0 129
Cooling Degree Days (base 65) 15 5 0 144
Growing Degree Days (base 50) 29 16 0 485
Dew Point  
Dew Point 70 °F 53 °F 24 °F
Precipitation  
Precipitation 0.81 in 0.09 in 0.00 in 2.60 in
Snowdepth - - - -
Wind  
Wind 30 mph 10 mph 0 mph
Gust Wind 39 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.30 in 29.98 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 11, 2014 Rise Set
Actual Time 5:44 AM CDT 7:59 PM CDT
Civil Twilight 5:14 AM CDT 8:30 PM CDT
Nautical Twilight 4:37 AM CDT 9:07 PM CDT
Astronomical Twilight 3:56 AM CDT 9:48 PM CDT
Moon 4:55 PM CDT (5/11) 3:49 AM CDT (5/11)
Length of Visible Light 15h 15m
Length of Day
14h 15m
Waxing Gibbous, 89% of the Moon is Illuminated
May 11
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Weather History Calendar

Precipitation Actual month total 2.60 Normal Month Total: 4.29
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
52 | 43 T
Average:
70 | 47 0.16
Mostly Cloudy
Actual:
56 | 47 0.00
Average:
70 | 47 0.16
Scattered Clouds
Actual:
71 | 49 T
Average:
70 | 48 0.16
Clear
Actual:
71 | 47 0.00
Average:
71 | 48 0.16
Clear
Actual:
78 | 46 0.00
Average:
71 | 48 0.17
Clear
Actual:
80 | 50 0.00
Average:
71 | 48 0.15
Clear
Actual:
86 | 66 0.00
Average:
72 | 49 0.15
Rain
Actual:
87 | 68 0.12
Average:
72 | 49 0.15
Rain
Actual:
79 | 57 0.09
Average:
72 | 49 0.14
Rain
Actual:
79 | 52 0.30
Average:
73 | 50 0.14
Rain
Actual:
83 | 61 0.41
Average:
73 | 50 0.14
Rain
Actual:
84 | 67 0.11
Average:
73 | 50 0.14
Rain
Actual:
68 | 52 0.81
Average:
74 | 50 0.14
Rain
Actual:
54 | 46 0.46
Average:
74 | 51 0.14
Rain
Actual:
59 | 45 0.16
Average:
74 | 51 0.15
Rain
Actual:
53 | 40 0.10
Average:
74 | 51 0.14
Partly Cloudy
Actual:
60 | 37 T
Average:
75 | 52 0.14
Clear
Actual:
67 | 39 0.00
Average:
75 | 52 0.14
Scattered Clouds
Actual:
74 | 44 0.00
Average:
75 | 52 0.15
Partly Cloudy
Actual:
84 | 63 0.00
Average:
75 | 53 0.14
Scattered Clouds
Actual:
89 | 70 0.00
Average:
76 | 53 0.14
Scattered Clouds
Actual:
80 | 60 0.00
Average:
76 | 53 0.14
Clear
Actual:
81 | 52 0.00
Average:
76 | 54 0.14
Clear
Actual:
80 | 50 0.00
Average:
76 | 54 0.14
Scattered Clouds
Actual:
79 | 62 0.00
Average:
77 | 54 0.12
Scattered Clouds
Actual:
87 | 64 0.00
Average:
77 | 55 0.12
Scattered Clouds
Actual:
86 | 67 0.00
Average:
77 | 55 0.11
Rain
Actual:
85 | 65 0.02
Average:
78 | 55 0.10
Rain
Actual:
84 | 63 0.02
Average:
78 | 56 0.10
Clear
Actual:
86 | 62 0.00
Average:
78 | 56 0.11
Scattered Clouds
Actual:
88 | 62 0.00
Average:
78 | 56 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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 52 48 43 43 39 38 82 72 61 29.93 29.87 29.82 10 10 10 22 13 29 T Rain
2 56 52 47 43 41 40 82 71 59 29.93 29.88 29.81 10 10 10 18 12 23 0.00  
3 71 60 49 42 39 34 71 49 27 29.93 29.87 29.77 10 10 10 21 10 26 T  
4 71 59 47 47 40 24 80 56 32 30.03 29.97 29.94 10 10 10 29 12 35 0.00  
5 78 62 46 50 40 28 57 48 38 29.96 29.84 29.77 10 10 10 21 12 25 0.00  
6 80 65 50 59 51 39 73 56 39 29.89 29.80 29.74 10 10 10 26 16 30 0.00  
7 86 76 66 63 58 52 68 56 43 29.83 29.79 29.76 10 10 10 24 15 30 0.00  
8 87 78 68 65 61 58 76 59 42 29.89 29.86 29.83 10 10 2 30 18 39 0.12 Rain
9 79 68 57 66 59 46 93 66 38 29.89 29.80 29.76 10 9 2 24 13 32 0.09 Rain
10 79 66 52 50 46 41 89 58 27 29.98 29.93 29.88 10 10 10 21 5 26 0.30 Rain
11 83 72 61 69 63 56 97 80 62 30.05 29.94 29.85 10 9 2 24 12 30 0.41 Rain
12 84 76 67 70 68 62 90 76 61 29.95 29.90 29.84 10 10 6 26 15 36 0.11 Rain
13 68 60 52 65 58 45 93 82 71 30.21 30.01 29.89 10 8 1 16 10 21 0.81 Rain
14 54 50 46 51 46 43 96 84 71 30.19 30.08 29.99 10 8 4 21 13 27 0.46 Rain
15 59 52 45 47 44 40 93 72 51 30.05 30.00 29.95 10 9 2 22 8 27 0.16 Rain
16 53 47 40 44 40 38 93 78 63 30.14 30.03 29.98 10 10 5 21 9 31 0.10 Rain
17 60 49 37 41 37 33 92 65 37 30.25 30.19 30.13 10 10 7 14 4 17 T  
18 67 53 39 43 40 36 83 60 37 30.30 30.25 30.20 10 10 10 14 6 18 0.00  
19 74 59 44 57 49 40 83 64 44 30.23 30.10 29.93 10 10 10 25 13 33 0.00  
20 84 74 63 65 62 57 90 71 51 29.96 29.90 29.85 10 10 10 23 14 29 0.00  
21 89 80 70 68 66 63 79 65 50 29.94 29.89 29.85 10 10 10 23 12 29 0.00  
22 80 70 60 60 51 43 72 53 33 30.13 30.06 29.95 10 10 9 17 9 21 0.00  
23 81 67 52 52 49 45 80 54 28 30.16 30.13 30.10 10 10 10 14 5 19 0.00  
24 80 65 50 54 49 45 77 56 35 30.21 30.15 30.09 10 10 10 12 6 17 0.00  
25 79 71 62 59 56 52 68 58 47 30.14 30.09 30.03 10 10 10 14 6 17 0.00  
26 87 76 64 66 63 56 84 65 46 30.07 30.02 29.96 10 10 10 28 10 34 0.00  
27 86 77 67 66 63 60 93 69 44 30.01 29.96 29.90 10 10 10 15 9 19 0.00  
28 85 75 65 68 65 62 93 72 51 29.97 29.94 29.92 10 10 9 21 7 23 0.02 Rain
29 84 74 63 69 65 61 93 76 58 30.06 30.02 29.95 10 6 1 23 5 31 0.02 Rain
30 86 74 62 70 63 54 100 69 37 30.12 30.07 30.04 10 6 1 21 8 26 0.00  
31 88 75 62 62 58 54 84 62 39 30.14 30.09 30.02 10 10 10 17 9 22 0.00