Weather History for Knoxville, IA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 38 °F 15 °F
Mean Temperature 55 °F 31 °F 9 °F
Min Temperature 46 °F 22 °F 3 °F
Degree Days  
Heating Degree Days (base 65) 56 34 10 1069
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 5 0 0 5
Dew Point  
Dew Point 57 °F 22 °F -2 °F
Precipitation  
Precipitation 0.31 in 0.04 in 0.00 in 1.12 in
Snowdepth - - - -
Wind  
Wind 39 mph 9 mph 0 mph
Gust Wind 51 mph 21 mph 10 mph
Sea Level Pressure  
Sea Level Pressure 30.41 in 29.98 in 29.46 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:38 AM CST 4:53 PM CST
Civil Twilight 7:07 AM CST 5:24 PM CST
Nautical Twilight 6:32 AM CST 5:59 PM CST
Astronomical Twilight 5:58 AM CST 6:32 PM CST
Moon 8:26 PM CST (12/31) 9:18 AM CST (12/31)
Length of Visible Light 10h 17m
Length of Day
9h 15m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 1.12 Average Month Total: 1.05
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
57 | 33 0.00
Average:
39 | 23 0.07
Fog
Actual:
51 | 46 0.00
Average:
40 | 23 0.01
Fog
Actual:
68 | 42 0.00
Average:
38 | 20 0.00
Clear
Actual:
60 | 32 0.00
Average:
37 | 20 0.05
Clear
Actual:
44 | 24 0.00
Average:
40 | 24 0.07
Rain
Actual:
51 | 42 0.03
Average:
36 | 20 0.02
Overcast
Actual:
42 | 35 0.02
Average:
36 | 19 0.08
Partly Cloudy
Actual:
37 | 26 0.00
Average:
35 | 20 0.02
Overcast
Actual:
37 | 19 0.14
Average:
37 | 20 0.00
Partly Cloudy
Actual:
28 | 15 0.00
Average:
36 | 18 0.07
Scattered Clouds
Actual:
42 | 15 0.00
Average:
36 | 18 0.03
Clear
Actual:
50 | 26 0.00
Average:
38 | 19 0.01
Clear
Actual:
51 | 33 0.00
Average:
37 | 18 0.00
Rain
Actual:
53 | 26 0.17
Average:
35 | 18 0.06
Rain
Actual:
48 | 39 0.31
Average:
35 | 18 0.06
Overcast
Actual:
37 | 30 0.00
Average:
34 | 19 0.01
Mostly Cloudy
Actual:
35 | 26 0.00
Average:
34 | 17 0.03
Partly Cloudy
Actual:
44 | 30 0.00
Average:
36 | 18 0.02
Snow
Actual:
35 | 30 0.24
Average:
34 | 19 0.05
Snow
Actual:
32 | 15 0.01
Average:
31 | 14 0.05
Clear
Actual:
23 | 10 0.00
Average:
30 | 14 0.01
Clear
Actual:
39 | 12 0.12
Average:
32 | 16 0.01
Scattered Clouds
Actual:
26 | 12 0.00
Average:
30 | 15 0.07
Snow
Actual:
19 | 10 0.00
Average:
32 | 13 0.06
Clear
Actual:
15 | 3 0.00
Average:
29 | 12 0.01
Partly Cloudy
Actual:
17 | 3 0.00
Average:
30 | 13 0.03
Partly Cloudy
Actual:
26 | 8 0.00
Average:
31 | 17 0.02
Snow
Actual:
28 | 17 0.01
Average:
33 | 18 0.07
Snow
Actual:
21 | 10 0.00
Average:
31 | 14 0.01
Clear
Actual:
41 | 14 0.07
Average:
31 | 13 0.02
Partly Cloudy
Actual:
33 | 12 0.00
Average:
29 | 13 0.03
 

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 57 45 33 52 43 28 88 83 76 30.04 29.89 29.80 7 5 0 10 6 - 0.00 Fog
2 51 48 46 48 45 43 88 87 82 30.03 29.95 29.85 4 1 0 13 5 - 0.00 Fog
3 68 55 42 57 47 32 93 74 56 30.02 29.81 29.68 10 8 0 24 12 31 0.00 Fog
4 60 46 32 30 24 16 75 51 17 30.34 30.19 30.03 10 10 10 15 8 16 0.00  
5 44 34 24 34 25 18 74 61 49 30.38 30.23 30.01 10 10 10 16 8 20 0.00  
6 51 46 42 37 34 30 81 65 53 30.01 29.94 29.89 10 10 5 14 9 18 0.03 Rain
7 42 38 35 36 31 28 81 73 65 29.97 29.93 29.87 10 10 5 12 5 - 0.02  
8 37 32 26 30 27 21 87 80 75 30.03 29.98 29.94 10 8 1 12 3 16 0.00  
9 37 28 19 34 27 12 93 82 68 29.94 29.88 29.80 10 6 1 26 11 32 0.14  
10 28 22 15 16 12 7 79 68 55 29.99 29.95 29.92 10 10 10 22 14 30 0.00  
11 42 28 15 21 15 7 73 57 36 30.06 29.98 29.91 10 10 10 18 8 23 0.00  
12 50 38 26 18 13 3 69 42 16 30.13 30.09 30.05 10 10 10 21 12 28 0.00  
13 51 43 33 19 15 12 56 37 22 30.11 30.07 30.04 10 10 10 21 12 26 0.00  
14 53 40 26 39 26 18 81 55 33 30.10 29.97 29.76 10 10 3 17 7 23 0.17 Rain
15 48 44 39 45 40 34 87 85 81 29.75 29.57 29.48 10 7 2 17 11 22 0.31 Rain
16 37 34 30 34 29 25 87 80 75 29.80 29.73 29.65 10 6 3 18 9 23 0.00  
17 35 30 26 28 25 21 86 76 65 29.77 29.73 29.68 10 9 5 7 3 - 0.00  
18 44 37 30 34 29 27 87 79 57 29.89 29.66 29.48 10 7 3 29 10 34 0.00  
19 35 32 30 30 28 25 87 83 75 29.97 29.86 29.60 7 4 1 26 6 34 0.24 Snow
20 32 24 15 28 20 9 87 80 73 30.05 29.71 29.46 10 5 0 39 23 51 0.01 Snow
21 23 16 10 12 8 3 85 73 58 30.28 30.22 30.05 10 10 10 22 13 24 0.00  
22 39 26 12 23 15 7 85 67 44 30.23 30.03 29.92 10 10 10 10 5 - 0.12  
23 26 19 12 16 12 7 86 77 63 30.03 29.98 29.95 10 8 2 13 7 16 0.00  
24 19 14 10 16 11 3 86 78 68 30.21 30.04 29.93 10 7 1 18 10 25 0.00 Snow
25 15 9 3 5 1 -2 79 71 58 30.41 30.31 30.21 10 10 10 17 9 17 0.00  
26 17 10 3 9 4 -2 79 73 67 30.28 30.22 30.17 10 10 10 12 8 17 0.00  
27 26 17 8 19 12 3 85 77 69 30.19 30.11 30.01 10 10 10 13 5 - 0.00  
28 28 24 17 23 20 12 86 80 74 30.01 29.96 29.91 10 5 2 13 5 16 0.01 Snow
29 21 16 10 16 10 7 86 76 63 30.22 30.14 30.00 10 7 2 18 11 23 0.00 Snow
30 41 28 14 25 21 10 86 60 45 30.26 30.10 30.01 10 10 10 20 10 26 0.07  
31 33 24 12 25 12 3 75 70 62 30.22 30.14 30.03 10 10 10 15 11 18 0.00