Weather History for Decorah, IA

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Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 53 °F 31 °F 3 °F
Mean Temperature 40 °F 23 °F -2 °F
Min Temperature 35 °F 15 °F -11 °F
Degree Days  
Heating Degree Days (base 65) 67 42 24 1298
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 36 °F 16 °F -18 °F
Precipitation  
Precipitation 0.13 in 0.01 in 0.00 in 0.20 in
Snowdepth - - - -
Wind  
Wind 29 mph 8 mph 0 mph
Gust Wind 44 mph 20 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 29.96 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 16, 2012 Rise Set
Actual Time 7:35 AM CST 4:57 PM CST
Civil Twilight 7:04 AM CST 5:29 PM CST
Nautical Twilight 6:29 AM CST 6:04 PM CST
Astronomical Twilight 5:55 AM CST 6:38 PM CST
Moon 12:41 AM CST 11:14 AM CST
Length of Visible Light 10h 24m
Length of Day
9h 21m
Last Quarter, 46% of the Moon is Illuminated
Jan 16
Last Quarter
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.20 Average Month Total: 0.72
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Snow
Actual:
37 | 21 0.03
Average:
22 | 8 0.03
Snow
Actual:
21 | 12 0.00
Average:
24 | 6 0.02
Clear
Actual:
28 | 8 0.00
Average:
24 | 6 0.02
Clear
Actual:
39 | 21 0.00
Average:
22 | 4 0.07
Clear
Actual:
53 | 26 0.00
Average:
23 | 4 0.02
Scattered Clouds
Actual:
46 | 35 0.00
Average:
21 | 7 0.01
Scattered Clouds
Actual:
37 | 26 0.00
Average:
19 | 1 0.02
Clear
Actual:
39 | 21 0.00
Average:
20 | 1 0.01
Scattered Clouds
Actual:
46 | 28 0.00
Average:
20 | 3 0.01
Clear
Actual:
51 | 24 0.00
Average:
21 | 3 0.01
Snow
Actual:
44 | 19 0.00
Average:
22 | 3 0.02
Snow
Actual:
15 | 10 0.00
Average:
24 | 5 0.02
Snow
Actual:
15 | 6 0.00
Average:
24 | 8 0.04
Snow
Actual:
19 | -5 0.00
Average:
25 | 7 0.02
Scattered Clouds
Actual:
33 | 15 0.00
Average:
23 | 6 0.01
Scattered Clouds
Actual:
35 | 28 0.00
Average:
25 | 4 0.03
Snow
Actual:
28 | 3 0.00
Average:
24 | 7 0.02
Scattered Clouds
Actual:
19 | -2 0.00
Average:
24 | 5 0.01
Scattered Clouds
Actual:
3 | -7 0.00
Average:
26 | 6 0.02
Snow
Actual:
5 | -4 0.00
Average:
24 | 5 0.04
Snow
Actual:
15 | -11 0.00
Average:
27 | 10 0.01
Snow
Actual:
30 | 15 0.00
Average:
28 | 11 0.03
Snow
Actual:
30 | 21 0.00
Average:
28 | 10 0.03
Mostly Cloudy
Actual:
24 | 19 0.04
Average:
26 | 8 0.04
Partly Cloudy
Actual:
30 | 19 0.00
Average:
26 | 7 0.05
Fog
Actual:
35 | 26 0.13
Average:
23 | 3 0.00
Snow
Actual:
33 | 17 0.00
Average:
23 | 4 0.01
Scattered Clouds
Actual:
28 | 15 0.00
Average:
23 | 5 0.02
Snow
Actual:
26 | 12 0.00
Average:
24 | 7 0.03
Partly Cloudy
Actual:
42 | 19 0.00
Average:
25 | 8 0.05
Clear
Actual:
44 | 35 0.00
Average:
27 | 7 0.00
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 37 30 21 36 22 12 100 75 64 30.20 29.95 29.59 10 9 2 26 18 44 0.03 Rain , Snow
2 21 16 12 12 8 5 86 63 50 30.46 30.33 30.22 10 10 1 29 18 38 0.00 Snow
3 28 18 8 10 7 3 92 65 37 30.45 30.21 29.95 10 10 10 17 5 23 0.00  
4 39 30 21 25 19 14 86 67 45 30.07 30.01 29.90 10 10 10 13 7 17 0.00  
5 53 40 26 32 28 23 93 67 41 29.97 29.84 29.68 10 10 5 9 5 17 0.00  
6 46 40 35 30 29 27 75 64 49 29.84 29.75 29.67 10 10 10 10 5 17 0.00  
7 37 32 26 27 23 21 86 70 52 30.22 30.07 29.88 10 10 10 12 7 18 0.00  
8 39 30 21 27 24 19 100 80 61 30.32 30.28 30.25 10 10 10 10 2 - 0.00  
9 46 37 28 28 26 23 86 67 46 30.18 30.02 29.93 10 10 10 16 9 24 0.00  
10 51 38 24 30 28 23 93 69 43 30.01 29.92 29.80 10 10 10 12 4 17 0.00  
11 44 32 19 34 26 16 87 72 57 29.72 29.65 29.60 10 10 3 24 7 31 0.00 Snow
12 15 12 10 12 8 7 92 84 79 29.73 29.68 29.63 10 2 1 24 18 33 0.00 Snow
13 15 12 6 9 7 3 85 78 68 30.01 29.91 29.76 10 8 3 16 11 22 0.00 Snow
14 19 7 -5 14 2 -11 92 78 63 30.12 30.06 29.99 10 10 2 7 1 - 0.00 Snow
15 33 24 15 25 20 12 100 81 65 30.16 30.02 29.84 10 9 7 17 8 25 0.00  
16 35 32 28 27 26 25 86 77 70 29.80 29.74 29.70 10 10 7 12 6 - 0.00  
17 28 16 3 23 9 -2 93 75 58 30.27 30.05 29.77 10 8 1 21 12 28 0.00 Snow
18 19 8 -2 10 0 -6 85 74 58 30.26 30.06 29.78 10 10 10 20 5 28 0.00  
19 3 -2 -7 -4 -14 -18 72 59 43 30.16 30.07 29.85 10 10 10 20 11 25 0.00  
20 5 0 -4 0 -5 -11 85 77 61 30.17 30.12 30.07 10 6 0 10 4 - 0.00 Snow
21 15 2 -11 9 -5 -17 85 78 67 30.22 30.17 30.06 10 10 10 14 2 18 0.00 Snow
22 30 22 15 30 20 10 100 89 73 29.91 29.69 29.55 10 4 0 18 12 24 0.00 Snow
23 30 26 21 30 23 18 100 88 74 29.87 29.58 29.37 10 6 1 17 8 29 0.00 Rain , Snow
24 24 22 19 19 17 16 93 83 69 30.32 30.17 29.93 10 10 7 13 7 17 0.04  
25 30 24 19 25 21 18 93 86 80 30.35 30.18 29.99 10 8 4 13 5 17 0.00  
26 35 30 26 30 28 25 100 88 70 29.96 29.80 29.70 10 5 0 12 7 - 0.13 Fog
27 33 25 17 30 21 14 93 81 60 29.91 29.86 29.78 10 9 3 16 5 24 0.00 Snow
28 28 22 15 19 13 10 86 70 51 30.05 30.00 29.92 10 10 10 15 9 22 0.00  
29 26 19 12 25 12 7 93 74 54 30.18 30.09 29.93 10 9 2 16 7 23 0.00 Snow
30 42 30 19 30 23 12 86 69 57 30.04 29.80 29.73 10 10 10 14 9 18 0.00  
31 44 40 35 34 32 28 93 70 57 29.90 29.74 29.67 10 10 10 15 9 21 0.00