Weather History for Dayton, OH

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Month of January, 2015

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 35 °F 12 °F
Mean Temperature 46 °F 27 °F 5 °F
Min Temperature 35 °F 19 °F -7 °F
Degree Days  
Heating Degree Days (base 65) 60 38 19 942
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 57 °F 20 °F -13 °F
Precipitation  
Precipitation 1.47 in 0.13 in 0.00 in 2.43 in
Snowdepth 3.0 in 0.6 in 0.0 in -
Wind  
Wind 33 mph 10 mph 0 mph
Gust Wind 42 mph 27 mph 21 mph
Sea Level Pressure  
Sea Level Pressure 30.75 in 30.19 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Jan. 03, 2015 Rise Set
Actual Time 7:58 AM EST 5:24 PM EST
Civil Twilight 7:28 AM EST 5:54 PM EST
Nautical Twilight 6:54 AM EST 6:28 PM EST
Astronomical Twilight 6:21 AM EST 7:01 PM EST
Moon 4:31 PM EST (1/3) 6:20 AM EST (1/3)
Length of Visible Light 10h 26m
Length of Day
9h 25m
Waxing Gibbous, 98% of the Moon is Illuminated
Jan 3
Waxing Gibbous
Jan 4
Full
Jan 13
Last Quarter
Jan 20
New
Jan 26
First Quarter

Weather History Calendar

Precipitation to date: 2.43 Normal to Date: 1.67 Normal Month Total: 2.71
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
37 | 19 0.00
Average:
35 | 21 0.10
Partly Cloudy
Actual:
40 | 25 0.00
Average:
35 | 21 0.10
Rain
Actual:
59 | 33 1.47
Average:
35 | 21 0.10
Snow
Actual:
58 | 21 0.30
Average:
35 | 21 0.10
Snow
Actual:
21 | 9 0.06
Average:
35 | 21 0.09
Snow
Actual:
19 | 11 0.22
Average:
35 | 21 0.10
Snow
Actual:
12 | -3 T
Average:
35 | 20 0.09
Snow
Actual:
21 | -7 T
Average:
34 | 20 0.09
Snow
Actual:
23 | 3 T
Average:
34 | 20 0.10
Scattered Clouds
Actual:
23 | -2 0.00
Average:
34 | 20 0.09
Rain
Actual:
36 | 23 0.15
Average:
34 | 20 0.09
Snow
Actual:
35 | 22 0.17
Average:
34 | 20 0.09
Snow
Actual:
22 | 7 T
Average:
34 | 20 0.09
Snow
Actual:
23 | 5 T
Average:
34 | 20 0.09
Partly Cloudy
Actual:
34 | 15 0.00
Average:
34 | 20 0.09
Partly Cloudy
Actual:
39 | 21 0.00
Average:
34 | 20 0.08
Partly Cloudy
Actual:
50 | 24 0.00
Average:
35 | 20 0.09
Rain
Actual:
48 | 29 0.02
Average:
35 | 20 0.09
Partly Cloudy
Actual:
46 | 26 0.00
Average:
35 | 20 0.08
Rain
Actual:
50 | 32 0.01
Average:
35 | 20 0.08
Rain
Actual:
44 | 35 T
Average:
35 | 20 0.08
Overcast
Actual:
35 | 32 0.00
Average:
35 | 20 0.08
Overcast
Actual:
35 | 29 0.00
Average:
35 | 20 0.08
Mostly Cloudy
Actual:
39 | 27 0.00
Average:
35 | 20 0.08
Snow
Actual:
38 | 32 0.03
Average:
36 | 19 0.09
Mostly Cloudy
Forecast:
25 | 19
Average:
35 | 20 0.08
Mostly Cloudy
Forecast:
29 | 16
Average:
35 | 20 0.08
Partly Cloudy
Forecast:
33 | 29
Average:
35 | 20 0.08
Snow Showers
Forecast:
40 | 25
Average:
35 | 21 0.08
Partly Cloudy
Forecast:
31 | 17
Average:
36 | 21 0.08
Mostly Cloudy
Forecast:
31 | -
Average:
36 | 21 0.08
 

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

2015 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 37 28 19 20 15 7 67 56 44 30.29 30.18 30.08 10 10 10 29 16 35 0.00  
2 40 33 25 28 22 18 85 67 48 30.36 30.31 30.21 10 10 7 17 6 20 0.00  
3 59 46 33 57 44 29 100 91 82 30.26 29.95 29.77 10 4 0 20 12 25 1.47 Fog , Rain
4 58 40 21 56 41 14 93 84 74 30.34 29.88 29.67 10 7 2 32 20 40 0.30 Rain , Snow
5 21 15 9 13 5 -2 73 62 51 30.66 30.52 30.35 10 8 1 26 13 32 0.06 Snow
6 19 15 11 14 11 3 88 78 67 30.37 30.30 30.23 10 5 0 24 9 32 0.22 Fog , Snow
7 12 5 -3 6 -1 -11 76 70 63 30.75 30.50 30.22 10 9 2 24 17 31 T Snow
8 21 7 -7 8 -5 -13 78 64 49 30.71 30.41 29.99 10 10 9 29 15 40 T Snow
9 23 13 3 15 4 -5 74 63 52 30.52 30.20 29.93 10 8 1 33 18 42 T Snow
10 23 11 -2 4 -3 -8 75 59 43 30.62 30.54 30.44 10 10 10 16 10 22 0.00  
11 36 30 23 32 17 5 89 66 43 30.45 30.39 30.28 10 9 4 17 9 21 0.15 Rain
12 35 29 22 34 29 15 100 84 68 30.55 30.30 30.21 10 5 0 25 11 30 0.17 Fog , Rain , Snow
13 22 15 7 14 10 4 91 77 62 30.68 30.58 30.45 10 10 6 22 12 27 T Snow
14 23 14 5 15 9 1 88 78 68 30.44 30.36 30.27 10 7 4 14 3 16 T Snow
15 34 25 15 20 16 12 88 69 49 30.28 30.17 30.09 10 8 4 16 8 19 0.00  
16 39 30 21 27 24 20 92 76 59 30.25 30.17 30.06 10 7 4 14 7 17 0.00  
17 50 37 24 32 28 22 92 69 46 30.19 29.98 29.78 10 7 3 25 14 41 0.00  
18 48 39 29 35 32 26 85 67 49 30.04 29.88 29.78 10 10 9 28 14 37 0.02 Rain
19 46 36 26 33 29 25 92 75 58 30.07 30.01 29.96 10 8 3 10 5 14 0.00  
20 50 41 32 35 32 29 89 71 52 29.99 29.94 29.90 10 8 5 12 5 14 0.01 Rain
21 44 40 35 35 33 29 92 78 64 30.21 30.05 29.96 10 7 3 20 11 24 T Rain
22 35 34 32 31 27 25 89 79 69 30.46 30.36 30.20 10 8 6 15 5 19 0.00  
23 35 32 29 26 25 23 85 75 64 30.41 30.16 29.90 10 8 5 8 3 11 0.00  
24 39 33 27 30 26 22 85 75 64 29.86 29.77 29.68 9 7 5 20 11 24 0.00  
25 38 35 32 36 32 28 93 86 71 29.78 29.74 29.69 8 4 2 10 8 - 0.03 Rain , Snow