Weather History for Dayton, OH

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Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 61 °F 39 °F 18 °F
Mean Temperature 54 °F 31 °F 13 °F
Min Temperature 47 °F 22 °F 3 °F
Degree Days  
Heating Degree Days (base 65) 52 34 11 1058
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 3 0 0 3
Dew Point  
Dew Point 50 °F 25 °F 1 °F
Precipitation  
Precipitation 1.63 in 0.17 in 0.00 in 4.73 in
Snowdepth 1.0 in 0.2 in 0.0 in -
Wind  
Wind 41 mph 12 mph 0 mph
Gust Wind 53 mph 26 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.52 in 30.03 in 29.38 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 19, 2012 Rise Set
Actual Time 7:55 AM EST 5:40 PM EST
Civil Twilight 7:25 AM EST 6:09 PM EST
Nautical Twilight 6:52 AM EST 6:42 PM EST
Astronomical Twilight 6:20 AM EST 7:15 PM EST
Moon 4:30 AM EST (1/19) 2:11 PM EST (1/19)
Length of Visible Light 10h 44m
Length of Day
9h 45m
Waning Crescent, 16% of the Moon is Illuminated
Jan 19
Waning Crescent
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter

Weather History Calendar

Precipitation Actual month total 4.73 Normal Month Total: 2.82
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Snow
Actual:
48 | 28 0.01
Average:
35 | 21 0.11
Snow
Actual:
29 | 18 0.07
Average:
35 | 21 0.10
Snow
Actual:
23 | 17 0.01
Average:
35 | 21 0.10
Partly Cloudy
Actual:
35 | 18 0.00
Average:
35 | 21 0.10
Scattered Clouds
Actual:
45 | 22 0.00
Average:
35 | 21 0.10
Clear
Actual:
55 | 36 0.00
Average:
35 | 21 0.10
Partly Cloudy
Actual:
47 | 31 0.00
Average:
35 | 20 0.10
Partly Cloudy
Actual:
42 | 25 0.00
Average:
34 | 20 0.09
Partly Cloudy
Actual:
46 | 25 0.00
Average:
34 | 20 0.10
Clear
Actual:
49 | 26 0.00
Average:
34 | 20 0.09
Rain
Actual:
44 | 30 0.32
Average:
34 | 20 0.10
Snow
Actual:
44 | 14 0.09
Average:
34 | 20 0.09
Snow
Actual:
18 | 14 0.08
Average:
34 | 20 0.10
Snow
Actual:
23 | 11 T
Average:
34 | 20 0.09
Clear
Actual:
28 | 6 0.00
Average:
34 | 20 0.09
Rain
Actual:
48 | 22 0.12
Average:
34 | 20 0.09
Thunderstorm
Actual:
53 | 28 1.08
Average:
35 | 20 0.09
Snow
Actual:
28 | 18 T
Average:
35 | 20 0.09
Snow
Actual:
29 | 7 0.05
Average:
35 | 20 0.09
Rain
Actual:
22 | 3 0.08
Average:
35 | 20 0.08
Snow
Actual:
23 | 18 0.12
Average:
35 | 20 0.08
Fog
Actual:
44 | 23 0.04
Average:
35 | 20 0.08
Thunderstorm
Actual:
54 | 34 0.70
Average:
35 | 20 0.09
Mostly Cloudy
Actual:
34 | 24 0.00
Average:
35 | 20 0.08
Rain
Actual:
31 | 20 0.14
Average:
35 | 20 0.08
Rain
Actual:
42 | 30 1.63
Average:
35 | 20 0.08
Snow
Actual:
38 | 30 0.15
Average:
35 | 20 0.09
Snow
Actual:
35 | 26 0.02
Average:
35 | 20 0.08
Snow
Actual:
38 | 20 T
Average:
35 | 21 0.09
Partly Cloudy
Actual:
55 | 19 0.00
Average:
36 | 21 0.08
Rain
Actual:
61 | 47 0.02
Average:
36 | 21 0.09
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 48 38 28 43 31 19 100 76 52 30.10 29.90 29.73 10 10 7 40 20 53 0.01 Rain , Snow
2 29 24 18 21 18 13 88 76 63 30.25 30.08 30.02 10 5 1 26 18 36 0.07 Snow
3 23 20 17 16 13 8 92 75 57 30.40 30.33 30.26 10 8 1 24 12 29 0.01 Snow
4 35 27 18 27 16 8 75 63 51 30.27 30.09 29.97 10 10 10 18 12 24 0.00  
5 45 34 22 28 24 21 100 70 40 30.12 30.01 29.90 10 10 9 18 11 23 0.00  
6 55 46 36 32 30 28 70 58 45 29.89 29.84 29.79 10 10 10 23 13 28 0.00  
7 47 39 31 34 29 27 85 65 45 30.22 30.00 29.78 10 10 10 16 9 21 0.00  
8 42 34 25 27 23 19 92 66 39 30.38 30.32 30.23 10 10 10 9 5 13 0.00  
9 46 36 25 25 22 21 85 63 40 30.30 30.17 30.05 10 10 10 16 7 23 0.00  
10 49 38 26 30 26 22 81 64 46 30.13 30.04 29.93 10 10 10 13 7 15 0.00  
11 44 37 30 45 38 25 100 85 70 29.90 29.57 29.41 10 4 0 21 9 24 0.32 Rain
12 44 29 14 43 31 7 100 89 77 29.65 29.47 29.38 10 4 0 32 17 41 0.09 Fog , Rain , Snow
13 18 16 14 13 10 8 80 77 73 30.11 29.90 29.62 10 4 1 33 22 41 0.08 Snow
14 23 17 11 13 11 9 80 70 59 30.27 30.15 30.06 10 9 5 15 7 18 T Snow
15 28 17 6 18 11 5 92 71 50 30.52 30.41 30.29 10 8 5 14 6 18 0.00  
16 48 35 22 46 35 19 100 80 59 30.27 30.02 29.88 10 7 2 28 15 36 0.12 Rain
17 53 41 28 50 40 21 96 86 75 30.12 29.80 29.59 10 7 2 41 19 49 1.08 Rain , Snow , Thunderstorm
18 28 23 18 22 16 13 84 72 60 30.31 30.21 30.09 10 10 7 23 8 23 T Snow
19 29 18 7 27 20 3 100 85 70 30.20 29.99 29.90 10 5 0 22 14 28 0.05 Fog , Snow
20 22 13 3 20 10 1 91 75 59 30.27 30.10 29.93 10 9 3 17 8 20 0.08 Rain
21 23 21 18 21 18 17 100 91 81 30.29 30.09 29.91 10 7 2 21 12 25 0.12 Rain , Snow
22 44 34 23 42 30 20 100 91 81 30.25 30.05 29.82 10 4 0 20 13 24 0.04 Fog
23 54 44 34 49 42 28 100 88 75 29.97 29.73 29.58 10 8 1 37 20 49 0.70 Rain , Thunderstorm
24 34 29 24 29 26 21 92 85 78 30.39 30.21 29.99 10 9 6 24 11 31 0.00  
25 31 26 20 30 25 19 100 93 85 30.40 30.28 30.11 10 6 2 17 5 20 0.14 Rain
26 42 36 30 43 38 30 100 100 100 30.12 29.74 29.51 6 2 0 17 8 23 1.63 Fog , Rain
27 38 34 30 33 31 27 100 85 70 30.08 29.85 29.53 10 6 1 21 11 28 0.15 Rain , Snow
28 35 31 26 32 25 15 92 70 47 30.27 30.03 29.89 10 8 2 33 16 43 0.02 Snow
29 38 29 20 28 20 18 88 70 52 30.32 30.17 30.06 10 9 0 36 15 43 T Fog , Snow
30 55 37 19 28 23 17 91 63 35 30.32 30.19 30.08 10 10 10 23 11 30 0.00  
31 61 54 47 45 35 26 80 57 33 30.12 30.05 30.00 10 10 4 28 16 36 0.02 Rain