Weather History for Des Moines, IA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 69 °F 39 °F 13 °F
Mean Temperature 56 °F 31 °F 8 °F
Min Temperature 44 °F 22 °F 2 °F
Degree Days  
Heating Degree Days (base 65) 57 34 9 1054
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 0 0 6
Dew Point  
Dew Point 57 °F 23 °F -4 °F
Precipitation  
Precipitation 0.78 in 0.08 in 0.00 in 1.73 in
Snowdepth 11.0 in 2.9 in 0.0 in -
Wind  
Wind 39 mph 10 mph 0 mph
Gust Wind 54 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 30.01 in 29.47 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:32 AM CST 4:44 PM CST
Civil Twilight 7:00 AM CST 5:16 PM CST
Nautical Twilight 6:26 AM CST 5:51 PM CST
Astronomical Twilight 5:52 AM CST 6:24 PM CST
Moon 6:37 AM CST (12/12) 4:22 PM CST (12/12)
Length of Visible Light 10h 15m
Length of Day
9h 12m
Waning Crescent, 1% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.73 Normal Month Total: 1.42
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
59 | 38 0.00
Average:
39 | 23 0.06
Fog
Actual:
52 | 44 0.00
Average:
39 | 22 0.05
Fog
Actual:
69 | 43 0.00
Average:
38 | 22 0.06
Scattered Clouds
Actual:
60 | 34 0.00
Average:
38 | 21 0.05
Partly Cloudy
Actual:
47 | 28 0.00
Average:
37 | 21 0.05
Rain
Actual:
52 | 44 T
Average:
37 | 21 0.05
Rain
Actual:
45 | 36 T
Average:
36 | 20 0.06
Rain
Actual:
40 | 27 T
Average:
36 | 20 0.05
Snow
Actual:
38 | 20 0.22
Average:
36 | 20 0.05
Snow
Actual:
28 | 15 T
Average:
35 | 19 0.05
Partly Cloudy
Actual:
43 | 16 0.00
Average:
35 | 19 0.06
Scattered Clouds
Actual:
51 | 26 0.00
Average:
35 | 19 0.04
Partly Cloudy
Actual:
52 | 31 0.00
Average:
34 | 18 0.05
Partly Cloudy
Actual:
54 | 25 T
Average:
34 | 18 0.05
Rain
Actual:
51 | 38 0.47
Average:
34 | 18 0.04
Overcast
Actual:
38 | 30 0.00
Average:
33 | 18 0.04
Overcast
Actual:
35 | 25 0.00
Average:
33 | 17 0.05
Mostly Cloudy
Actual:
42 | 29 T
Average:
33 | 17 0.04
Snow
Actual:
37 | 29 0.78
Average:
33 | 17 0.04
Snow
Actual:
34 | 14 0.20
Average:
32 | 17 0.05
Clear
Actual:
21 | 11 0.00
Average:
32 | 16 0.04
Scattered Clouds
Actual:
40 | 10 0.00
Average:
32 | 16 0.04
Partly Cloudy
Actual:
24 | 13 0.00
Average:
32 | 16 0.04
Snow
Actual:
21 | 9 0.01
Average:
32 | 16 0.04
Partly Cloudy
Actual:
13 | 2 0.00
Average:
32 | 16 0.04
Partly Cloudy
Actual:
18 | 2 0.00
Average:
32 | 16 0.04
Snow
Actual:
26 | 8 T
Average:
31 | 16 0.04
Snow
Actual:
29 | 17 0.05
Average:
31 | 15 0.04
Snow
Actual:
20 | 11 T
Average:
31 | 15 0.04
Partly Cloudy
Actual:
40 | 10 0.00
Average:
31 | 15 0.03
Overcast
Actual:
33 | 11 0.00
Average:
31 | 15 0.04
 

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 59 49 38 54 46 33 96 86 76 30.04 29.88 29.78 7 4 0 14 7 17 0.00 Fog
2 52 48 44 50 47 44 100 93 86 30.04 29.95 29.85 4 1 0 15 6 18 0.00 Fog
3 69 56 43 57 48 29 100 77 53 30.03 29.79 29.65 10 7 0 25 13 31 0.00 Fog
4 60 47 34 28 25 22 69 48 26 30.36 30.22 30.04 10 10 10 15 7 17 0.00  
5 47 38 28 34 26 19 69 59 49 30.40 30.23 30.01 10 10 10 17 11 22 0.00  
6 52 48 44 40 35 32 70 60 50 30.01 29.95 29.90 10 10 10 16 9 21 T Rain
7 45 41 36 34 29 26 75 67 58 29.99 29.96 29.90 10 10 9 15 7 20 T Rain
8 40 34 27 32 27 22 81 70 59 30.05 30.00 29.94 10 9 5 16 6 22 T Rain
9 38 29 20 34 28 12 96 82 68 29.99 29.90 29.81 10 5 1 33 13 43 0.22 Rain , Snow
10 28 22 15 13 10 5 74 60 46 30.06 30.01 29.97 10 10 9 26 11 35 T Snow
11 43 30 16 22 17 7 71 57 43 30.08 30.01 29.93 10 10 10 24 9 29 0.00  
12 51 39 26 19 16 12 68 45 21 30.12 30.08 30.04 10 10 10 26 13 35 0.00  
13 52 42 31 22 18 13 56 43 29 30.10 30.06 30.02 10 10 10 17 11 25 0.00  
14 54 40 25 38 28 19 75 57 38 30.12 29.96 29.74 10 10 10 22 9 30 T  
15 51 45 38 47 42 33 93 80 66 29.71 29.56 29.47 10 8 3 24 13 30 0.47 Rain
16 38 34 30 34 29 24 89 80 70 29.82 29.75 29.66 10 6 2 18 9 22 0.00  
17 35 30 25 30 25 21 89 77 64 29.81 29.75 29.69 10 7 4 8 3 11 0.00  
18 42 36 29 32 29 26 89 77 64 29.91 29.68 29.51 10 7 3 28 11 33 T  
19 37 33 29 32 30 27 96 86 76 30.00 29.85 29.66 7 3 0 25 11 35 0.78 Fog , Rain , Snow
20 34 24 14 32 23 9 100 87 73 30.14 29.76 29.55 10 3 0 39 25 54 0.20 Fog , Snow
21 21 16 11 11 8 4 80 71 62 30.35 30.30 30.15 10 10 9 23 11 29 0.00  
22 40 25 10 22 15 7 92 68 44 30.27 30.07 29.96 10 10 7 14 6 16 0.00  
23 24 19 13 14 12 8 84 75 65 30.09 30.04 30.00 7 6 4 14 8 17 0.00  
24 21 15 9 18 12 2 91 79 67 30.30 30.08 29.95 10 5 0 23 13 28 0.01 Fog , Snow
25 13 8 2 3 0 -4 79 70 61 30.51 30.41 30.31 10 10 10 16 11 21 0.00  
26 18 10 2 8 3 -3 87 74 61 30.37 30.29 30.20 10 10 10 12 7 16 0.00  
27 26 17 8 20 13 5 83 76 68 30.26 30.16 30.05 10 9 7 14 7 16 T Snow
28 29 23 17 24 21 13 92 84 75 30.07 30.00 29.92 6 3 1 16 6 19 0.05 Snow
29 20 16 11 15 10 7 84 76 67 30.28 30.19 30.03 10 6 2 21 11 24 T Snow
30 40 25 10 25 17 7 88 69 50 30.31 30.18 30.04 10 9 4 17 9 30 0.00  
31 33 22 11 19 10 2 73 65 56 30.29 30.21 30.08 10 10 10 18 10 22 0.00