Weather History for Harrisburg, IL

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 69 °F 50 °F 32 °F
Mean Temperature 64 °F 42 °F 18 °F
Min Temperature 62 °F 34 °F 3 °F
Degree Days  
Heating Degree Days (base 65) 48 23 0 719
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 14 1 0 40
Dew Point  
Dew Point 61 °F 36 °F 0 °F
Precipitation  
Precipitation 1.15 in 0.10 in 0.00 in 3.00 in
Snowdepth - - - -
Wind  
Wind 34 mph 7 mph 0 mph
Gust Wind 46 mph 22 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 30.03 in 29.35 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 21, 2012 Rise Set
Actual Time 7:06 AM CST 4:38 PM CST
Civil Twilight 6:36 AM CST 5:08 PM CST
Nautical Twilight 6:03 AM CST 5:41 PM CST
Astronomical Twilight 5:31 AM CST 6:13 PM CST
Moon 12:21 PM CST 12:57 AM CST
Length of Visible Light 10h 31m
Length of Day
9h 32m
Waxing Gibbous, 65% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
64 | 42 0.00
Average:
- | - -
Rain
Actual:
64 | 62 0.12
Average:
- | - -
Partly Cloudy
Actual:
69 | 60 0.00
Average:
- | - -
Thunderstorm
Actual:
60 | 39 0.76
Average:
- | - -
Fog
Actual:
57 | 33 0.00
Average:
- | - -
Partly Cloudy
Actual:
51 | 37 0.00
Average:
- | - -
Rain
Actual:
60 | 50 0.05
Average:
- | - -
Rain
Actual:
55 | 46 0.05
Average:
- | - -
Thunderstorm
Actual:
60 | 46 1.15
Average:
- | - -
Overcast
Actual:
44 | 32 0.00
Average:
- | - -
Scattered Clouds
Actual:
41 | 26 0.00
Average:
- | - -
Clear
Actual:
46 | 23 0.00
Average:
- | - -
Clear
Actual:
53 | 24 0.00
Average:
- | - -
Clear
Actual:
53 | 28 0.00
Average:
- | - -
Rain
Actual:
59 | 44 0.08
Average:
- | - -
Fog
Actual:
59 | 42 0.00
Average:
- | - -
Thunderstorm
Actual:
50 | 41 0.00
Average:
- | - -
Scattered Clouds
Actual:
55 | 32 0.00
Average:
- | - -
Scattered Clouds
Actual:
59 | 33 0.00
Average:
- | - -
Thunderstorm
Actual:
60 | 32 0.29
Average:
- | - -
Clear
Actual:
37 | 28 0.00
Average:
- | - -
Clear
Actual:
46 | 21 0.00
Average:
- | - -
Partly Cloudy
Actual:
59 | 39 0.00
Average:
- | - -
Fog
Actual:
46 | 32 0.00
Average:
- | - -
Snow
Actual:
35 | 28 0.00
Average:
- | - -
Snow
Actual:
32 | 30 0.10
Average:
- | - -
Overcast
Actual:
32 | 28 0.00
Average:
- | - -
Snow
Actual:
35 | 26 0.01
Average:
- | - -
Snow
Actual:
32 | 12 0.01
Average:
- | - -
Fog
Actual:
32 | 3 0.34
Average:
- | - -
Snow
Actual:
35 | 26 0.04
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

2012 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 64 53 42 50 45 41 93 77 56 30.20 30.13 30.06 10 10 10 - - - 0.00  
2 64 63 62 61 61 61 94 90 88 30.11 30.07 30.03 10 10 7 - - - 0.12 Rain
3 69 64 60 61 59 54 94 84 68 30.11 30.06 30.02 10 10 10 - - - 0.00  
4 60 50 39 61 48 37 100 90 81 30.30 30.13 30.01 10 9 2 - - - 0.76 Rain , Thunderstorm
5 57 45 33 45 37 34 100 81 44 30.37 30.29 30.17 10 8 0 8 5 - 0.00 Fog
6 51 44 37 50 41 34 100 86 67 30.16 30.05 29.96 10 10 7 8 4 - 0.00  
7 60 55 50 57 52 50 100 99 88 29.96 29.88 29.82 10 5 0 14 2 20 0.05 Fog , Rain
8 55 50 46 55 48 45 100 96 87 29.99 29.93 29.84 10 5 2 10 4 - 0.05 Rain
9 60 53 46 59 50 45 100 97 88 29.95 29.83 29.72 10 5 1 17 7 23 1.15 Rain , Thunderstorm
10 44 38 32 41 29 23 93 81 69 30.09 29.93 29.81 10 10 10 17 10 24 0.00  
11 41 34 26 27 23 21 93 71 49 30.27 30.17 30.08 10 10 10 9 5 - 0.00  
12 46 34 23 30 27 23 100 79 46 30.38 30.33 30.26 10 9 5 7 1 - 0.00  
13 53 38 24 32 26 19 100 73 30 30.40 30.33 30.25 10 10 7 10 2 - 0.00  
14 53 40 28 36 30 23 93 69 38 30.29 30.20 30.07 10 10 7 13 2 16 0.00  
15 59 52 44 55 46 34 100 84 62 30.04 29.85 29.73 10 10 4 22 11 31 0.08 Rain
16 59 50 42 55 48 43 100 94 59 29.78 29.73 29.67 10 8 0 10 5 - 0.00 Fog
17 50 46 41 46 43 37 100 97 87 29.82 29.70 29.61 7 5 2 13 4 16 0.00 Rain , Thunderstorm
18 55 44 32 41 36 32 100 77 47 29.89 29.83 29.76 10 10 5 18 8 26 0.00  
19 59 46 33 46 39 32 100 79 55 30.02 29.91 29.65 10 9 5 16 6 23 0.00  
20 60 46 32 55 36 21 100 72 52 29.90 29.59 29.35 10 9 3 34 23 46 0.29 Rain , Snow , Thunderstorm
21 37 32 28 21 18 14 69 56 38 30.28 30.14 29.91 10 10 10 26 19 36 0.00  
22 46 34 21 27 20 18 93 63 32 30.33 30.20 30.02 10 10 10 9 3 - 0.00  
23 59 49 39 43 35 28 87 65 41 30.01 29.93 29.84 10 10 10 9 5 - 0.00  
24 46 39 32 46 36 27 100 90 66 30.10 29.92 29.78 10 5 0 16 5 21 0.00 Fog
25 35 32 28 30 27 25 93 83 70 30.20 30.07 29.80 10 7 4 25 10 33 0.00 Snow
26 32 31 30 32 30 27 100 92 80 30.14 29.88 29.65 10 5 0 28 17 36 0.10 Rain , Snow
27 32 30 28 27 26 23 93 83 69 30.23 30.16 30.10 10 10 7 10 5 - 0.00  
28 35 30 26 32 30 25 100 94 86 30.10 29.98 29.84 10 5 1 8 5 - 0.01 Rain , Snow
29 32 23 12 32 27 10 100 93 74 30.38 30.12 29.85 10 5 0 17 6 23 0.01 Fog , Snow
30 32 18 3 30 16 0 100 91 75 30.51 30.41 30.31 10 4 0 10 1 - 0.34 Fog
31 35 30 26 32 30 27 100 91 75 30.30 30.18 30.07 10 8 1 10 4 - 0.04 Rain , Snow