Weather History for Dayton, OH

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 43 °F 28 °F
Mean Temperature 51 °F 37 °F 21 °F
Min Temperature 46 °F 30 °F 14 °F
Degree Days  
Heating Degree Days (base 65) 44 28 14 881
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 1 0 0 1
Dew Point  
Dew Point 55 °F 31 °F 7 °F
Precipitation  
Precipitation 1.94 in 0.21 in 0.00 in 5.34 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 35 mph 9 mph 0 mph
Gust Wind 46 mph 25 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.18 in 29.44 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 11, 2011 Rise Set
Actual Time 7:48 AM EST 5:11 PM EST
Civil Twilight 7:17 AM EST 5:42 PM EST
Nautical Twilight 6:43 AM EST 6:16 PM EST
Astronomical Twilight 6:10 AM EST 6:49 PM EST
Moon 6:21 PM EST (12/11) 8:35 AM EST (12/11)
Length of Visible Light 10h 24m
Length of Day
9h 23m
Full, 99% of the Moon is Illuminated
Dec 11
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full

Weather History Calendar

Precipitation Actual month total 5.34 Normal Month Total: 3.13
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
43 | 23 0.00
Average:
43 | 29 0.10
Partly Cloudy
Actual:
43 | 27 0.00
Average:
43 | 28 0.10
Partly Cloudy
Actual:
55 | 29 0.00
Average:
42 | 28 0.11
Rain
Actual:
50 | 46 0.52
Average:
42 | 28 0.10
Rain
Actual:
50 | 34 1.94
Average:
42 | 27 0.10
Rain
Actual:
35 | 32 T
Average:
41 | 27 0.11
Snow
Actual:
35 | 26 T
Average:
41 | 27 0.10
Partly Cloudy
Actual:
37 | 21 0.00
Average:
40 | 26 0.11
Snow
Actual:
36 | 23 0.01
Average:
40 | 26 0.11
Clear
Actual:
28 | 14 0.00
Average:
40 | 26 0.11
Clear
Actual:
36 | 17 0.00
Average:
39 | 25 0.10
Scattered Clouds
Actual:
44 | 20 0.00
Average:
39 | 25 0.10
Overcast
Actual:
42 | 28 T
Average:
38 | 25 0.09
Rain
Actual:
56 | 40 0.41
Average:
38 | 25 0.10
Rain
Actual:
60 | 32 0.42
Average:
38 | 24 0.09
Mostly Cloudy
Actual:
35 | 28 0.00
Average:
38 | 24 0.09
Snow
Actual:
33 | 28 T
Average:
37 | 24 0.10
Partly Cloudy
Actual:
43 | 31 0.00
Average:
37 | 23 0.09
Rain
Actual:
47 | 37 0.07
Average:
37 | 23 0.09
Rain
Actual:
46 | 38 0.26
Average:
37 | 23 0.10
Rain
Actual:
57 | 44 0.89
Average:
36 | 23 0.10
Rain
Actual:
44 | 37 0.23
Average:
36 | 23 0.10
Overcast
Actual:
38 | 31 T
Average:
36 | 22 0.11
Scattered Clouds
Actual:
38 | 24 0.00
Average:
36 | 22 0.11
Partly Cloudy
Actual:
47 | 28 0.00
Average:
36 | 22 0.10
Partly Cloudy
Actual:
43 | 28 0.00
Average:
36 | 22 0.11
Snow
Actual:
37 | 32 0.43
Average:
35 | 22 0.10
Snow
Actual:
33 | 26 T
Average:
35 | 22 0.10
Partly Cloudy
Actual:
47 | 29 0.00
Average:
35 | 21 0.10
Rain
Actual:
50 | 40 0.15
Average:
35 | 21 0.10
Rain
Actual:
41 | 33 0.01
Average:
35 | 21 0.10
 

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 43 33 23 31 27 23 92 75 57 30.39 30.32 30.24 10 9 4 14 5 17 0.00  
2 43 35 27 34 30 24 92 83 73 30.53 30.43 30.29 10 8 3 13 6 14 0.00  
3 55 42 29 35 32 28 100 71 41 30.50 30.39 30.23 10 8 3 16 9 23 0.00  
4 50 48 46 49 40 27 100 70 39 30.23 30.19 30.16 10 7 1 23 12 30 0.52 Rain
5 50 42 34 49 42 33 100 96 92 30.20 30.13 30.06 10 5 1 25 12 32 1.94 Rain
6 35 34 32 34 33 30 100 96 92 30.19 30.12 30.08 10 4 0 21 12 26 T Rain
7 35 31 26 31 26 21 92 78 64 30.15 30.05 29.97 10 8 2 21 12 25 T Snow
8 37 29 21 27 23 20 96 78 59 30.31 30.25 30.15 10 10 9 15 8 20 0.00  
9 36 30 23 32 27 17 96 83 69 30.43 30.28 30.19 10 8 2 16 8 20 0.01 Snow
10 28 21 14 17 11 7 88 65 42 30.58 30.53 30.43 10 10 10 13 6 15 0.00  
11 36 27 17 15 12 9 68 50 32 30.63 30.56 30.49 10 10 10 10 5 13 0.00  
12 44 32 20 26 20 13 84 63 41 30.52 30.47 30.43 10 10 9 7 2 14 0.00  
13 42 35 28 37 32 24 92 78 64 30.50 30.44 30.34 10 8 5 8 4 12 T  
14 56 48 40 52 44 37 100 92 83 30.35 30.22 29.97 10 4 1 18 10 25 0.41 Rain
15 60 46 32 55 45 25 93 84 75 30.22 29.93 29.81 10 9 5 29 19 40 0.42 Rain
16 35 32 28 27 25 22 92 81 69 30.39 30.31 30.23 10 10 10 18 7 23 0.00  
17 33 31 28 27 24 19 85 74 63 30.35 30.29 30.21 10 9 2 13 6 14 T Snow
18 43 37 31 30 28 26 92 73 53 30.31 30.24 30.13 10 8 4 17 10 23 0.00  
19 47 42 37 43 35 30 100 80 60 30.15 30.09 30.05 10 9 5 21 13 28 0.07 Rain
20 46 42 38 46 41 37 100 96 92 30.16 30.04 29.86 8 2 0 12 7 14 0.26 Fog , Rain
21 57 51 44 55 49 41 100 89 77 30.00 29.78 29.69 10 7 1 35 13 44 0.89 Rain
22 44 41 37 40 38 35 100 88 76 30.13 30.06 29.99 10 9 4 10 4 12 0.23 Rain
23 38 35 31 37 31 24 100 85 70 30.35 30.25 30.10 10 7 2 17 7 21 T  
24 38 31 24 27 26 22 92 78 64 30.45 30.38 30.32 10 10 7 16 9 21 0.00  
25 47 38 28 31 28 25 92 71 49 30.33 30.23 30.08 10 10 10 26 13 33 0.00  
26 43 36 28 30 28 26 92 73 53 30.40 30.26 30.01 10 10 10 15 7 18 0.00  
27 37 35 32 37 33 29 100 91 82 29.94 29.65 29.44 10 4 1 26 12 31 0.43 Rain , Snow
28 33 30 26 29 22 19 85 74 63 30.09 30.03 29.86 10 10 8 29 11 37 T Snow
29 47 38 29 34 30 24 85 73 60 30.00 29.82 29.66 10 10 10 24 13 33 0.00  
30 50 45 40 46 40 33 96 83 70 29.83 29.72 29.56 10 10 2 33 15 46 0.15 Rain
31 41 37 33 38 36 32 100 93 85 30.09 29.97 29.74 10 9 5 22 11 26 0.01 Rain