Weather History for Spencer, IA

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 53 °F 36 °F 10 °F
Mean Temperature 40 °F 26 °F -2 °F
Min Temperature 35 °F 15 °F -15 °F
Degree Days  
Heating Degree Days (base 65) 68 39 25 1221
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 43 °F 20 °F -19 °F
Precipitation  
Precipitation 0.37 in 0.04 in 0.00 in 1.12 in
Snowdepth - - - -
Wind  
Wind 34 mph 10 mph 0 mph
Gust Wind 46 mph 28 mph 21 mph
Sea Level Pressure  
Sea Level Pressure 30.57 in 30.12 in 29.51 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 14, 2011 Rise Set
Actual Time 7:44 AM CST 4:45 PM CST
Civil Twilight 7:12 AM CST 5:18 PM CST
Nautical Twilight 6:36 AM CST 5:54 PM CST
Astronomical Twilight 6:01 AM CST 6:28 PM CST
Moon 9:12 PM CST (12/14) 10:25 AM CST (12/14)
Length of Visible Light 10h 06m
Length of Day
9h 01m
Waning Gibbous, 83% of the Moon is Illuminated
Dec 14
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full

Weather History Calendar

Precipitation Actual month total 1.12 Average Month Total: 0.58
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
34 | 7 0.00
Average:
31 | 15 0.01
Scattered Clouds
Actual:
37 | 3 0.00
Average:
30 | 12 0.00
Snow
Actual:
33 | 24 0.25
Average:
30 | 11 0.00
Snow
Actual:
23 | -2 0.00
Average:
31 | 14 0.02
Snow
Actual:
19 | -11 0.00
Average:
32 | 13 0.01
Scattered Clouds
Actual:
10 | -15 0.00
Average:
29 | 11 0.02
Partly Cloudy
Actual:
30 | 12 0.00
Average:
29 | 13 0.01
Partly Cloudy
Actual:
26 | 14 0.00
Average:
30 | 11 0.01
Clear
Actual:
14 | -8 0.00
Average:
31 | 13 0.00
Clear
Actual:
27 | -2 0.00
Average:
29 | 12 0.01
Partly Cloudy
Actual:
37 | 23 0.00
Average:
31 | 9 0.00
Overcast
Actual:
42 | 33 0.00
Average:
29 | 10 0.04
Rain
Actual:
39 | 32 0.00
Average:
28 | 11 0.04
Rain
Actual:
45 | 35 0.37
Average:
28 | 11 0.04
Partly Cloudy
Actual:
34 | 16 0.00
Average:
27 | 8 0.04
Partly Cloudy
Actual:
32 | 10 0.00
Average:
26 | 7 0.03
Partly Cloudy
Actual:
41 | 21 0.00
Average:
25 | 8 0.00
Clear
Actual:
53 | 21 0.00
Average:
28 | 10 0.01
Scattered Clouds
Actual:
36 | 21 0.00
Average:
26 | 8 0.01
Fog
Actual:
30 | 8 0.00
Average:
23 | 5 0.00
Snow
Actual:
39 | 14 0.00
Average:
25 | 6 0.01
Clear
Actual:
28 | 10 0.00
Average:
27 | 11 0.02
Scattered Clouds
Actual:
37 | 15 0.00
Average:
23 | 8 0.00
Clear
Actual:
46 | 14 0.00
Average:
23 | 7 0.05
Clear
Actual:
46 | 23 0.00
Average:
25 | 5 0.03
Scattered Clouds
Actual:
48 | 23 0.00
Average:
26 | 7 0.00
Partly Cloudy
Actual:
37 | 21 0.00
Average:
26 | 12 0.08
Scattered Clouds
Actual:
48 | 21 0.00
Average:
26 | 9 0.03
Rain
Actual:
45 | 30 0.10
Average:
22 | 8 0.04
Snow
Actual:
41 | 32 0.23
Average:
23 | 5 0.02
Snow
Actual:
44 | 32 0.17
Average:
21 | 5 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

2011 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 34 22 7 27 18 1 82 71 56 30.55 30.38 30.10 10 10 7 23 16 30 0.00  
2 37 20 3 24 12 -2 84 65 34 30.52 30.26 30.06 10 10 6 22 10 28 0.00  
3 33 28 24 30 26 20 93 87 69 30.13 30.02 29.97 10 3 0 17 9 - 0.25 Fog , Snow
4 23 10 -2 17 9 -9 92 81 71 30.45 30.27 30.07 10 7 0 12 7 - 0.00 Fog , Snow
5 19 6 -11 13 7 -14 87 78 70 30.57 30.50 30.35 10 9 2 17 7 - 0.00 Snow
6 10 -2 -15 4 -7 -19 91 80 73 30.56 30.38 30.13 10 10 10 14 5 - 0.00  
7 30 21 12 24 16 7 85 77 69 30.19 30.12 30.04 10 10 10 14 9 - 0.00  
8 26 21 14 21 14 4 92 72 60 30.31 30.26 30.19 10 10 10 16 8 - 0.00  
9 14 3 -8 3 -5 -12 83 71 62 30.52 30.44 30.32 10 10 10 16 8 - 0.00  
10 27 12 -2 20 11 -9 86 79 71 30.48 30.33 30.23 10 8 2 13 8 - 0.00  
11 37 30 23 34 28 17 93 86 76 30.22 30.14 30.05 9 5 2 22 13 26 0.00  
12 42 38 33 35 33 30 89 84 76 30.31 30.19 30.06 10 6 4 15 10 - 0.00  
13 39 36 32 37 33 28 93 90 79 30.33 30.22 30.03 7 4 2 13 5 - 0.00 Rain
14 45 40 35 43 38 31 100 95 85 30.01 29.79 29.63 10 5 0 21 9 29 0.37 Fog , Rain
15 34 25 16 31 21 13 89 74 60 30.44 30.13 29.78 10 10 6 25 19 37 0.00  
16 32 21 10 26 20 7 88 81 66 30.47 30.36 30.23 10 10 7 10 5 - 0.00  
17 41 31 21 28 23 19 96 84 60 30.30 30.25 30.19 10 8 3 18 5 - 0.00  
18 53 37 21 36 29 20 92 77 48 30.18 29.94 29.80 10 10 7 17 8 23 0.00  
19 36 28 21 29 23 16 92 75 55 30.32 30.14 29.83 10 10 5 24 14 36 0.00  
20 30 19 8 22 13 5 93 84 61 30.30 29.98 29.74 10 8 0 12 3 - 0.00 Fog
21 39 26 14 30 23 9 93 77 50 30.09 29.84 29.68 10 8 2 17 8 25 0.00 Snow
22 28 19 10 20 13 6 84 69 51 30.42 30.33 30.11 10 10 10 22 14 32 0.00  
23 37 26 15 20 14 10 81 69 47 30.39 30.23 30.10 10 10 10 22 9 33 0.00  
24 46 30 14 22 18 10 84 60 36 30.26 30.22 30.18 10 10 10 21 9 25 0.00  
25 46 34 23 25 20 17 81 64 37 30.38 30.32 30.20 10 10 10 15 11 - 0.00  
26 48 36 23 27 23 17 78 57 39 30.19 29.95 29.83 10 10 10 28 15 41 0.00  
27 37 29 21 29 22 14 78 70 54 30.07 29.97 29.84 10 10 10 25 16 39 0.00  
28 48 34 21 26 22 16 85 61 41 30.05 29.84 29.58 10 10 10 17 9 - 0.00  
29 45 38 30 34 30 25 93 73 55 29.70 29.60 29.51 10 9 4 18 11 - 0.10 Rain
30 41 36 32 36 33 30 96 91 82 29.87 29.68 29.51 10 6 0 15 8 - 0.23 Fog , Rain , Snow
31 44 38 32 34 32 28 93 84 65 29.89 29.68 29.51 10 7 2 34 14 46 0.17 Rain , Snow