Weather History for Harrisburg, IL

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 82 °F 70 °F
Mean Temperature 82 °F 70 °F 58 °F
Min Temperature 71 °F 59 °F 43 °F
Degree Days  
Heating Degree Days (base 65) 7 1 0 24
Cooling Degree Days (base 65) 17 6 0 171
Growing Degree Days (base 50) 32 20 8 603
Dew Point  
Dew Point 76 °F 62 °F 41 °F
Precipitation  
Precipitation 0.36 in 0.02 in 0.00 in 0.70 in
Snowdepth - - - -
Wind  
Wind 20 mph 3 mph 0 mph
Gust Wind 24 mph 17 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 30.03 in 29.79 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 07, 2013 Rise Set
Actual Time 6:29 AM CDT 7:14 PM CDT
Civil Twilight 6:02 AM CDT 7:40 PM CDT
Nautical Twilight 5:31 AM CDT 8:11 PM CDT
Astronomical Twilight 4:59 AM CDT 8:44 PM CDT
Moon 8:40 AM CDT (9/7) 8:16 PM CDT (9/7)
Length of Visible Light 13h 37m
Length of Day
12h 44m
Waxing Crescent, 5% of the Moon is Illuminated
Sep 7
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
88 | 70 0.00
Average:
- | - -
Fog
Actual:
86 | 67 0.00
Average:
- | - -
Scattered Clouds
Actual:
82 | 61 0.00
Average:
- | - -
Fog
Actual:
81 | 53 0.00
Average:
- | - -
Clear
Actual:
84 | 54 0.00
Average:
- | - -
Fog
Actual:
87 | 57 0.00
Average:
- | - -
Fog
Actual:
88 | 59 0.00
Average:
- | - -
Scattered Clouds
Actual:
83 | 65 0.00
Average:
- | - -
Thunderstorm
Actual:
94 | 70 0.00
Average:
- | - -
Thunderstorm
Actual:
89 | 71 0.00
Average:
- | - -
Clear
Actual:
93 | 69 0.00
Average:
- | - -
Clear
Actual:
86 | 65 0.00
Average:
- | - -
Scattered Clouds
Actual:
75 | 54 0.00
Average:
- | - -
Clear
Actual:
74 | 43 0.00
Average:
- | - -
Fog
Actual:
81 | 43 0.00
Average:
- | - -
Rain
Actual:
75 | 61 0.03
Average:
- | - -
Scattered Clouds
Actual:
80 | 55 0.00
Average:
- | - -
Rain
Actual:
84 | 64 0.00
Average:
- | - -
Clear
Actual:
87 | 68 0.00
Average:
- | - -
Rain
Actual:
76 | 66 0.36
Average:
- | - -
Scattered Clouds
Actual:
72 | 52 0.00
Average:
- | - -
Clear
Actual:
74 | 45 0.00
Average:
- | - -
Clear
Actual:
77 | 46 0.00
Average:
- | - -
Rain
Actual:
82 | 52 0.03
Average:
- | - -
Fog
Actual:
82 | 59 0.00
Average:
- | - -
Fog
Actual:
83 | 57 0.00
Average:
- | - -
Fog
Actual:
82 | 50 0.00
Average:
- | - -
Partly Cloudy
Actual:
82 | 54 0.00
Average:
- | - -
Rain
Actual:
70 | 63 0.27
Average:
- | - -
Overcast
Actual:
71 | 63 0.01
Average:
- | - -
 

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 88 79 70 75 72 69 99 82 60 29.86 29.83 29.79 10 10 3 20 7 24 0.00 Thunderstorm
2 86 76 67 76 67 63 100 78 47 29.95 29.90 29.85 10 7 0 12 3 17 0.00 Fog
3 82 72 61 66 62 59 99 76 48 30.10 30.03 29.95 10 10 10 10 3 - 0.00  
4 81 67 53 63 58 53 100 76 38 30.18 30.14 30.09 10 9 0 8 1 - 0.00 Fog
5 84 69 54 66 61 54 100 79 43 30.23 30.18 30.15 10 8 2 7 1 - 0.00  
6 87 72 57 68 64 58 100 78 40 30.20 30.14 30.08 10 7 0 7 1 - 0.00 Fog
7 88 74 59 73 65 59 100 78 41 30.10 30.04 29.97 10 7 0 10 2 16 0.00 Fog
8 83 74 65 72 70 66 100 87 67 30.02 29.97 29.94 10 8 4 7 1 - 0.00  
9 94 82 70 74 72 69 100 78 44 30.02 29.99 29.96 10 7 1 9 2 - 0.00 Thunderstorm
10 89 80 71 76 73 68 100 85 50 30.17 30.10 30.03 10 7 2 12 2 - 0.00 Rain , Thunderstorm
11 93 81 69 74 71 63 100 76 37 30.17 30.12 30.07 10 8 2 9 2 - 0.00  
12 86 76 65 74 66 55 100 75 44 30.08 30.03 29.97 10 8 3 14 3 17 0.00  
13 75 65 54 57 52 46 91 63 37 30.12 30.07 30.03 10 10 3 15 6 23 0.00  
14 74 58 43 50 46 41 100 68 31 30.18 30.12 30.08 10 10 5 10 3 - 0.00  
15 81 62 43 59 50 44 100 69 33 30.13 30.09 30.05 10 10 0 12 2 16 0.00 Fog
16 75 68 61 64 61 58 99 82 60 30.24 30.18 30.09 10 10 5 13 4 17 0.03 Rain
17 80 68 55 62 59 56 100 76 43 30.25 30.19 30.12 10 9 5 9 4 - 0.00  
18 84 74 64 72 67 62 95 82 59 30.15 30.08 30.03 10 9 7 10 3 16 0.00 Rain
19 87 78 68 72 71 69 100 80 56 30.08 30.03 29.95 10 9 5 13 6 18 0.00  
20 76 72 66 72 69 66 100 91 74 29.98 29.92 29.87 10 8 4 14 5 16 0.36 Rain
21 72 62 52 64 52 45 99 70 38 29.94 29.91 29.87 10 10 10 16 7 23 0.00  
22 74 60 45 53 49 46 100 72 36 30.02 29.97 29.94 10 10 10 9 2 - 0.00  
23 77 62 46 55 49 44 100 71 31 30.06 30.01 29.96 10 10 5 13 3 17 0.00  
24 82 66 52 67 59 51 100 79 43 29.99 29.92 29.84 10 10 4 8 3 - 0.03 Rain
25 82 70 59 68 64 60 100 86 48 29.90 29.86 29.83 10 6 0 8 2 - 0.00 Fog
26 83 70 57 67 60 55 100 78 37 30.05 29.99 29.90 10 7 0 9 2 - 0.00 Fog
27 82 66 50 61 55 50 100 75 34 30.15 30.09 30.05 10 8 0 10 2 18 0.00 Fog
28 82 68 54 64 56 53 100 71 37 30.14 30.08 30.04 10 9 5 15 3 23 0.00  
29 70 66 63 66 63 56 100 92 60 30.06 30.03 30.00 10 6 1 8 5 - 0.27 Rain
30 71 66 63 67 65 63 100 96 84 30.02 30.00 29.96 10 7 1 9 2 - 0.01