Weather History for Dayton, OH

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 79 °F 65 °F
Mean Temperature 86 °F 68 °F 57 °F
Min Temperature 76 °F 56 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 8 2 0 55
Cooling Degree Days (base 65) 21 5 0 140
Growing Degree Days (base 50) 36 18 6 527
Dew Point  
Dew Point 73 °F 56 °F 37 °F
Precipitation  
Precipitation 0.62 in 0.08 in 0.00 in 2.23 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 26 mph 7 mph 0 mph
Gust Wind 33 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.05 in 29.72 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 21, 2013 Rise Set
Actual Time 7:23 AM EDT 7:35 PM EDT
Civil Twilight 6:56 AM EDT 8:02 PM EDT
Nautical Twilight 6:25 AM EDT 8:33 PM EDT
Astronomical Twilight 5:52 AM EDT 9:05 PM EDT
Moon 8:45 PM EDT (9/21) 9:41 AM EDT (9/21)
Length of Visible Light 13h 05m
Length of Day
12h 11m
Waning Gibbous, 94% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Weather History Calendar

Precipitation Actual month total 2.23 Normal Month Total: 3.30
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Partly Cloudy
Actual:
86 | 68 0.00
Average:
81 | 60 0.11
Partly Cloudy
Actual:
86 | 62 0.00
Average:
81 | 60 0.12
Scattered Clouds
Actual:
75 | 54 0.00
Average:
80 | 60 0.12
Scattered Clouds
Actual:
82 | 54 0.00
Average:
80 | 59 0.11
Scattered Clouds
Actual:
85 | 58 0.00
Average:
80 | 59 0.11
Scattered Clouds
Actual:
81 | 50 0.00
Average:
80 | 59 0.11
Partly Cloudy
Actual:
87 | 58 0.00
Average:
79 | 58 0.12
Partly Cloudy
Actual:
89 | 66 0.00
Average:
79 | 58 0.11
Scattered Clouds
Actual:
93 | 67 0.00
Average:
79 | 58 0.11
Thunderstorm
Actual:
96 | 76 0.08
Average:
78 | 57 0.11
Partly Cloudy
Actual:
94 | 72 0.00
Average:
78 | 57 0.11
Rain
Actual:
81 | 61 0.29
Average:
78 | 56 0.11
Partly Cloudy
Actual:
65 | 48 0.00
Average:
77 | 56 0.12
Scattered Clouds
Actual:
72 | 41 0.00
Average:
77 | 56 0.11
Rain
Actual:
76 | 49 0.06
Average:
76 | 55 0.11
Rain
Actual:
70 | 54 0.03
Average:
76 | 55 0.10
Scattered Clouds
Actual:
75 | 46 0.00
Average:
76 | 54 0.11
Partly Cloudy
Actual:
81 | 58 0.00
Average:
75 | 54 0.10
Thunderstorm
Actual:
79 | 67 0.62
Average:
75 | 54 0.11
Thunderstorm
Actual:
87 | 67 0.60
Average:
74 | 53 0.11
Rain
Actual:
74 | 52 0.46
Average:
74 | 53 0.11
Clear
Actual:
66 | 47 0.00
Average:
73 | 52 0.12
Clear
Actual:
69 | 44 0.00
Average:
73 | 52 0.11
Clear
Actual:
72 | 44 0.00
Average:
73 | 52 0.11
Partly Cloudy
Actual:
74 | 50 0.00
Average:
72 | 51 0.10
Clear
Actual:
80 | 48 0.00
Average:
72 | 51 0.11
Scattered Clouds
Actual:
81 | 48 0.00
Average:
71 | 50 0.11
Scattered Clouds
Actual:
79 | 53 0.00
Average:
71 | 50 0.11
Rain
Actual:
67 | 60 0.09
Average:
70 | 50 0.10
Rain
Actual:
70 | 61 T
Average:
70 | 49 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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 86 77 68 70 68 66 90 75 59 29.84 29.81 29.77 10 10 8 15 7 21 0.00  
2 86 74 62 70 66 57 100 76 51 29.91 29.85 29.79 10 6 1 17 8 21 0.00  
3 75 65 54 56 53 48 100 73 46 30.08 30.02 29.93 10 10 10 15 7 23 0.00  
4 82 68 54 58 55 53 93 66 39 30.16 30.12 30.09 10 10 10 14 5 18 0.00  
5 85 72 58 61 55 44 93 64 35 30.23 30.18 30.13 10 10 10 15 7 18 0.00  
6 81 66 50 50 46 37 89 55 21 30.27 30.21 30.12 10 10 10 12 5 15 0.00  
7 87 73 58 64 56 45 77 60 42 30.12 30.04 29.96 10 10 9 16 8 21 0.00  
8 89 78 66 67 64 62 87 65 43 30.02 29.98 29.96 10 9 4 18 7 23 0.00  
9 93 80 67 68 65 63 93 66 38 30.05 30.01 29.96 10 9 4 16 9 23 0.00  
10 96 86 76 73 70 68 82 64 46 30.12 30.08 30.01 10 8 5 17 10 21 0.08 Thunderstorm
11 94 83 72 71 68 62 90 64 38 30.15 30.08 30.01 10 9 6 17 9 24 0.00  
12 81 71 61 70 66 56 93 69 45 30.02 29.96 29.87 10 9 2 20 9 25 0.29 Rain
13 65 57 48 57 46 42 93 69 44 30.13 30.06 29.97 10 10 10 17 10 22 0.00  
14 72 57 41 44 41 39 96 64 31 30.21 30.16 30.12 10 10 9 10 5 14 0.00  
15 76 63 49 56 48 44 93 63 33 30.17 30.11 30.04 10 10 6 18 7 24 0.06 Rain
16 70 62 54 57 54 50 100 77 53 30.32 30.23 30.12 10 8 2 16 7 21 0.03 Rain
17 75 61 46 52 48 44 93 66 38 30.36 30.29 30.20 10 10 7 13 7 15 0.00  
18 81 70 58 64 56 52 86 63 39 30.19 30.13 30.06 10 10 7 13 6 17 0.00  
19 79 73 67 70 66 65 100 84 67 30.11 30.07 29.97 10 6 1 14 6 17 0.62 Rain , Thunderstorm
20 87 77 67 70 68 66 100 76 51 30.00 29.88 29.79 10 6 1 26 11 33 0.60 Rain , Thunderstorm
21 74 63 52 66 57 46 100 72 44 29.91 29.79 29.72 10 8 2 21 10 25 0.46 Rain
22 66 57 47 48 44 41 93 68 42 30.05 29.98 29.91 10 10 10 17 7 22 0.00  
23 69 57 44 47 44 42 92 67 42 30.15 30.11 30.07 10 10 10 14 6 21 0.00  
24 72 58 44 47 45 42 92 65 38 30.13 30.05 29.97 10 10 8 12 5 17 0.00  
25 74 62 50 51 49 46 89 65 41 29.96 29.94 29.90 10 10 10 12 5 14 0.00  
26 80 64 48 57 50 46 96 64 32 30.10 30.03 29.96 10 9 3 13 5 18 0.00  
27 81 65 48 51 47 40 93 58 23 30.20 30.15 30.11 10 10 10 8 3 10 0.00  
28 79 66 53 55 52 49 89 62 35 30.20 30.14 30.07 10 10 9 13 7 20 0.00  
29 67 64 60 61 59 53 93 83 72 30.07 30.04 30.01 10 8 4 15 8 20 0.09 Rain
30 70 66 61 63 61 60 100 87 73 30.05 30.02 29.97 10 5 0 12 6 14 T Rain