Weather History for Ames, IA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 36 °F 10 °F
Mean Temperature 51 °F 27 °F 5 °F
Min Temperature 37 °F 17 °F -1 °F
Degree Days  
Heating Degree Days (base 65) 60 38 14 1179
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 0 0 4
Dew Point  
Dew Point 58 °F 22 °F -5 °F
Precipitation  
Precipitation 0.46 in 0.04 in 0.00 in 1.27 in
Snowdepth - - - -
Wind  
Wind 41 mph 9 mph 0 mph
Gust Wind 54 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.50 in 30.00 in 29.47 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 15, 2012 Rise Set
Actual Time 7:35 AM CST 4:44 PM CST
Civil Twilight 7:04 AM CST 5:15 PM CST
Nautical Twilight 6:28 AM CST 5:50 PM CST
Astronomical Twilight 5:54 AM CST 6:24 PM CST
Moon 9:27 AM CST (12/15) 7:51 PM CST (12/15)
Length of Visible Light 10h 11m
Length of Day
9h 08m
Waxing Crescent, 8% of the Moon is Illuminated
Dec 15
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Weather History Calendar

Precipitation Actual month total 1.27 Normal Month Total: 1.02
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
56 | 29 0.00
Average:
37 | 19 0.06
Fog
Actual:
55 | 37 0.00
Average:
37 | 19 0.07
Fog
Actual:
68 | 33 0.00
Average:
36 | 18 0.05
Clear
Actual:
57 | 27 0.00
Average:
36 | 18 0.05
Scattered Clouds
Actual:
43 | 21 0.00
Average:
35 | 18 0.05
Rain
Actual:
49 | 34 0.11
Average:
35 | 17 0.05
Partly Cloudy
Actual:
42 | 32 0.00
Average:
34 | 17 0.05
Snow
Actual:
38 | 23 0.06
Average:
34 | 17 0.05
Snow
Actual:
36 | 18 0.12
Average:
33 | 16 0.04
Partly Cloudy
Actual:
27 | 11 0.00
Average:
33 | 16 0.05
Scattered Clouds
Actual:
40 | 12 0.00
Average:
33 | 15 0.04
Clear
Actual:
50 | 21 0.00
Average:
32 | 15 0.04
Clear
Actual:
51 | 23 0.00
Average:
32 | 15 0.03
Scattered Clouds
Actual:
51 | 20 T
Average:
32 | 15 0.04
Rain
Actual:
48 | 37 0.41
Average:
31 | 14 0.03
Overcast
Actual:
37 | 24 0.00
Average:
31 | 14 0.03
Overcast
Actual:
30 | 22 0.00
Average:
31 | 14 0.03
Mostly Cloudy
Actual:
35 | 27 0.00
Average:
31 | 13 0.03
Thunderstorm
Actual:
35 | 26 0.46
Average:
30 | 13 0.02
Snow
Actual:
32 | 12 0.10
Average:
30 | 13 0.02
Clear
Actual:
20 | 3 0.00
Average:
30 | 13 0.02
Clear
Actual:
29 | 1 0.00
Average:
30 | 13 0.03
Partly Cloudy
Actual:
20 | 10 0.00
Average:
30 | 12 0.02
Snow
Actual:
20 | 10 0.00
Average:
30 | 12 0.02
Clear
Actual:
10 | -1 0.00
Average:
29 | 12 0.02
Clear
Actual:
18 | 1 0.00
Average:
29 | 12 0.02
Partly Cloudy
Actual:
24 | 1 0.00
Average:
29 | 12 0.01
Snow
Actual:
27 | 15 0.01
Average:
28 | 11 0.01
Snow
Actual:
19 | -1 T
Average:
29 | 11 0.01
Clear
Actual:
35 | -1 0.00
Average:
29 | 11 0.01
Partly Cloudy
Actual:
24 | 5 0.00
Average:
29 | 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 56 43 29 54 44 30 100 93 85 30.04 29.86 29.77 6 3 0 12 4 15 0.00 Fog
2 55 46 37 52 45 37 100 83 66 30.03 29.93 29.85 6 2 0 16 7 21 0.00 Fog
3 68 51 33 58 48 30 100 77 53 30.03 29.77 29.63 10 6 0 28 13 35 0.00 Fog
4 57 42 27 28 25 19 85 58 30 30.38 30.21 30.05 10 10 9 15 7 18 0.00  
5 43 32 21 34 24 17 84 69 53 30.40 30.23 30.00 10 10 10 18 10 25 0.00  
6 49 42 34 45 36 33 100 78 56 30.00 29.94 29.90 10 10 4 15 8 21 0.11 Rain
7 42 37 32 33 29 25 92 76 59 30.00 29.97 29.91 10 10 9 15 7 17 0.00  
8 38 31 23 34 28 19 96 80 64 30.06 29.99 29.95 10 7 1 12 5 15 0.06 Snow
9 36 27 18 36 29 13 100 87 73 29.97 29.89 29.81 10 5 1 31 13 41 0.12 Snow
10 27 19 11 15 10 7 84 67 50 30.05 29.99 29.95 10 10 10 25 10 32 0.00  
11 40 26 12 25 19 9 92 73 54 30.06 29.99 29.92 10 10 10 22 8 29 0.00  
12 50 36 21 21 19 16 84 57 29 30.09 30.05 30.01 10 10 10 25 12 33 0.00  
13 51 37 23 24 19 15 75 54 32 30.11 30.05 30.02 10 10 10 22 10 25 0.00  
14 51 36 20 36 27 18 92 69 46 30.12 29.96 29.73 10 10 9 14 6 18 T  
15 48 43 37 46 43 34 100 83 65 29.71 29.55 29.47 10 6 2 20 10 26 0.41 Rain
16 37 31 24 34 30 21 100 89 78 29.82 29.74 29.65 10 5 2 17 10 22 0.00  
17 30 26 22 28 24 19 100 92 84 29.81 29.75 29.68 10 7 2 12 2 14 0.00  
18 35 31 27 32 30 27 100 91 82 29.90 29.65 29.49 8 5 2 22 8 28 0.00  
19 35 31 26 32 30 25 100 91 82 30.01 29.88 29.71 6 2 0 26 8 33 0.46 Fog , Rain , Snow , Thunderstorm
20 32 22 12 32 20 7 100 90 80 30.11 29.80 29.62 10 2 0 41 28 54 0.10 Fog , Snow
21 20 12 3 12 6 1 91 79 67 30.34 30.29 30.13 10 10 8 22 8 26 0.00  
22 29 15 1 19 10 -1 100 84 68 30.28 30.09 29.98 10 8 5 16 4 20 0.00  
23 20 15 10 15 12 7 92 83 73 30.10 30.05 29.99 8 6 4 16 8 18 0.00  
24 20 15 10 17 11 -1 92 83 73 30.30 30.07 29.96 10 6 2 16 8 18 0.00 Snow
25 10 5 -1 3 -1 -5 87 80 73 30.50 30.42 30.32 10 10 10 18 12 24 0.00  
26 18 10 1 11 3 -3 92 83 73 30.37 30.30 30.25 10 10 8 14 7 17 0.00  
27 24 13 1 20 11 -1 95 86 77 30.26 30.17 30.06 10 9 7 13 4 16 0.00  
28 27 21 15 23 21 14 93 87 80 30.06 29.99 29.93 6 3 1 13 5 - 0.01 Snow
29 19 9 -1 16 8 -2 96 85 73 30.28 30.17 30.02 10 6 2 20 8 24 T Snow
30 35 17 -1 25 11 -4 95 80 64 30.31 30.17 30.02 10 8 4 20 7 24 0.00  
31 24 15 5 14 9 -1 84 75 66 30.30 30.20 30.09 10 10 10 23 12 28 0.00