Weather History for Marshalltown, IA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 37 °F 12 °F
Mean Temperature 52 °F 28 °F 7 °F
Min Temperature 38 °F 18 °F 1 °F
Degree Days  
Heating Degree Days (base 65) 58 37 13 1160
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 59 °F 22 °F -4 °F
Precipitation  
Precipitation 0.57 in 0.03 in 0.00 in 0.94 in
Snowdepth - - - -
Wind  
Wind 44 mph 11 mph 0 mph
Gust Wind 53 mph 27 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.00 in 29.46 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 07, 2012 Rise Set
Actual Time 7:26 AM CST 4:39 PM CST
Civil Twilight 6:55 AM CST 5:11 PM CST
Nautical Twilight 6:20 AM CST 5:46 PM CST
Astronomical Twilight 5:46 AM CST 6:20 PM CST
Moon 12:40 AM CST (12/7) 12:42 PM CST (12/7)
Length of Visible Light 10h 15m
Length of Day
9h 12m
Last Quarter, 38% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.94 Normal Month Total: 0.99
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
55 | 28 0.00
Average:
37 | 19 0.05
Fog
Actual:
59 | 37 0.00
Average:
37 | 18 0.05
Fog
Actual:
68 | 36 0.00
Average:
36 | 18 0.04
Clear
Actual:
55 | 24 0.00
Average:
36 | 18 0.04
Scattered Clouds
Actual:
43 | 20 0.00
Average:
35 | 17 0.05
Rain
Actual:
50 | 35 0.02
Average:
35 | 17 0.04
Partly Cloudy
Actual:
42 | 31 0.00
Average:
34 | 16 0.04
Snow
Actual:
39 | 21 0.02
Average:
34 | 16 0.04
Snow
Actual:
36 | 20 0.13
Average:
33 | 16 0.04
Partly Cloudy
Actual:
26 | 14 0.00
Average:
33 | 15 0.04
Scattered Clouds
Actual:
39 | 13 0.00
Average:
32 | 15 0.04
Clear
Actual:
49 | 25 0.00
Average:
32 | 15 0.03
Clear
Actual:
49 | 27 0.00
Average:
32 | 14 0.03
Partly Cloudy
Actual:
51 | 19 T
Average:
31 | 14 0.03
Rain
Actual:
47 | 38 0.57
Average:
31 | 14 0.03
Overcast
Actual:
38 | 25 0.00
Average:
30 | 13 0.03
Overcast
Actual:
29 | 22 0.00
Average:
30 | 13 0.03
Overcast
Actual:
35 | 29 0.00
Average:
30 | 13 0.03
Snow
Actual:
35 | 32 0.11
Average:
30 | 13 0.03
Snow
Actual:
32 | 11 0.08
Average:
29 | 13 0.02
Clear
Actual:
19 | 3 0.00
Average:
29 | 12 0.03
Snow
Actual:
28 | 4 0.00
Average:
29 | 12 0.03
Partly Cloudy
Actual:
19 | 10 0.00
Average:
29 | 12 0.02
Snow
Actual:
21 | 6 T
Average:
28 | 12 0.03
Clear
Actual:
12 | 1 0.00
Average:
28 | 12 0.02
Partly Cloudy
Actual:
19 | 2 0.00
Average:
28 | 12 0.02
Partly Cloudy
Actual:
24 | 2 0.00
Average:
28 | 12 0.02
Snow
Actual:
28 | 15 0.01
Average:
28 | 11 0.02
Snow
Actual:
22 | 4 T
Average:
28 | 11 0.02
Clear
Actual:
36 | 1 0.00
Average:
28 | 11 0.03
Scattered Clouds
Actual:
29 | 4 0.00
Average:
28 | 11 0.02
 

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 55 42 28 54 44 28 100 93 85 30.05 29.87 29.77 7 3 0 14 7 18 0.00 Fog
2 59 48 37 50 45 37 100 76 51 30.02 29.92 29.83 10 3 0 18 6 24 0.00 Fog
3 68 52 36 59 50 32 100 81 62 30.01 29.77 29.64 10 7 0 26 14 32 0.00 Fog
4 55 40 24 30 26 19 82 59 35 30.39 30.20 30.03 10 10 10 15 8 18 0.00  
5 43 32 20 33 23 16 84 68 51 30.40 30.25 30.03 10 10 10 23 13 29 0.00  
6 50 43 35 41 36 32 96 78 60 30.00 29.94 29.89 10 10 10 22 10 28 0.02 Rain
7 42 37 31 32 28 25 92 73 53 29.99 29.96 29.90 10 10 10 16 8 18 0.00  
8 39 30 21 32 26 18 88 76 64 30.05 30.00 29.97 10 8 2 15 7 18 0.02 Snow
9 36 28 20 36 30 16 100 89 78 29.96 29.87 29.78 10 4 1 30 12 37 0.13 Rain , Snow
10 26 20 14 18 14 9 92 80 68 30.01 29.97 29.90 10 10 10 29 13 35 0.00  
11 39 26 13 25 18 8 81 68 54 30.07 29.99 29.92 10 10 10 23 10 28 0.00  
12 49 37 25 22 19 16 75 53 31 30.11 30.07 30.03 10 10 10 28 14 35 0.00  
13 49 38 27 23 20 16 81 58 34 30.12 30.06 30.03 10 10 10 21 11 28 0.00  
14 51 35 19 39 27 17 91 66 41 30.12 29.98 29.77 10 10 10 18 9 23 T  
15 47 43 38 46 43 37 100 88 76 29.74 29.56 29.46 10 5 2 22 12 30 0.57 Rain
16 38 32 25 35 30 22 100 93 85 29.81 29.73 29.63 10 6 2 21 11 24 0.00  
17 29 26 22 27 23 21 100 92 84 29.81 29.75 29.69 10 6 2 12 4 31 0.00  
18 35 32 29 34 30 27 100 91 82 29.89 29.66 29.49 9 5 2 17 10 22 0.00  
19 35 34 32 32 31 30 100 91 82 30.01 29.88 29.72 8 4 0 28 11 35 0.11 Fog , Snow
20 32 22 11 31 20 8 100 90 80 30.06 29.76 29.55 8 2 0 44 32 53 0.08 Fog , Snow
21 19 11 3 11 6 1 92 80 67 30.33 30.23 30.02 10 10 10 28 11 32 0.00  
22 28 16 4 20 10 1 92 83 73 30.28 30.09 29.97 10 9 8 13 6 16 0.00 Snow
23 19 15 10 17 12 7 100 89 77 30.10 30.04 29.99 8 6 4 15 9 17 0.00  
24 21 14 6 17 13 1 92 84 76 30.28 30.05 29.96 10 6 2 21 13 24 T Snow
25 12 7 1 4 1 -4 88 81 73 30.47 30.40 30.29 10 10 10 20 13 23 0.00  
26 19 11 2 15 6 -2 92 83 73 30.35 30.29 30.25 10 10 10 14 9 17 0.00  
27 24 13 2 20 11 0 96 85 73 30.26 30.17 30.06 10 10 10 16 7 18 0.00  
28 28 22 15 25 22 14 92 87 81 30.06 29.98 29.91 10 4 1 14 7 16 0.01 Snow
29 22 13 4 18 10 2 91 86 80 30.28 30.15 29.98 10 7 3 21 11 24 T Snow
30 36 19 1 24 13 -2 96 80 64 30.32 30.18 30.00 10 8 4 22 9 30 0.00  
31 29 17 4 18 10 -1 88 78 67 30.29 30.18 30.06 10 10 9 18 12 23 0.00