Weather History for Dayton, OH

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 75 °F 55 °F
Mean Temperature 78 °F 65 °F 47 °F
Min Temperature 68 °F 54 °F 38 °F
Degree Days  
Heating Degree Days (base 65) 18 4 0 130
Cooling Degree Days (base 65) 13 4 0 121
Growing Degree Days (base 50) 28 14 0 447
Dew Point  
Dew Point 68 °F 51 °F 29 °F
Precipitation  
Precipitation 1.75 in 0.17 in 0.00 in 4.68 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 35 mph 9 mph 0 mph
Gust Wind 59 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 30.03 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 20, 2014 Rise Set
Actual Time 6:17 AM EDT 8:49 PM EDT
Civil Twilight 5:46 AM EDT 9:20 PM EDT
Nautical Twilight 5:07 AM EDT 9:59 PM EDT
Astronomical Twilight 4:24 AM EDT 10:42 PM EDT
Moon 1:19 AM EDT (5/20) 12:23 PM EDT (5/20)
Length of Visible Light 15h 34m
Length of Day
14h 32m
Waning Gibbous, 60% of the Moon is Illuminated
May 20
Waning Gibbous
May 21
Last Quarter
May 28
New
Jun 5
First Quarter
Jun 13
Full

Weather History Calendar

Precipitation Actual month total 4.68 Normal Month Total: 4.66
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
58 | 44 0.00
Average:
67 | 47 0.15
Overcast
Actual:
57 | 47 0.00
Average:
68 | 47 0.14
Partly Cloudy
Actual:
67 | 48 T
Average:
68 | 47 0.15
Rain
Actual:
68 | 48 T
Average:
68 | 48 0.16
Thunderstorm
Actual:
62 | 47 0.02
Average:
69 | 48 0.15
Partly Cloudy
Actual:
72 | 44 0.00
Average:
69 | 48 0.15
Partly Cloudy
Actual:
84 | 53 0.00
Average:
69 | 49 0.15
Partly Cloudy
Actual:
85 | 66 0.00
Average:
69 | 49 0.14
Rain
Actual:
76 | 67 T
Average:
70 | 49 0.15
Rain
Actual:
73 | 59 0.17
Average:
70 | 49 0.15
Thunderstorm
Actual:
82 | 58 0.50
Average:
70 | 50 0.15
Thunderstorm
Actual:
86 | 63 0.93
Average:
70 | 50 0.15
Rain
Actual:
86 | 65 0.26
Average:
71 | 50 0.16
Thunderstorm
Actual:
71 | 58 0.52
Average:
71 | 51 0.15
Rain
Actual:
65 | 40 0.21
Average:
71 | 51 0.15
Rain
Actual:
55 | 38 0.08
Average:
72 | 51 0.15
Rain
Actual:
57 | 41 0.16
Average:
72 | 52 0.15
Scattered Clouds
Actual:
64 | 39 0.00
Average:
72 | 52 0.14
Partly Cloudy
Actual:
69 | 43 0.00
Average:
72 | 52 0.15
Partly Cloudy
Actual:
79 | 56 0.00
Average:
73 | 53 0.15
Thunderstorm
Actual:
82 | 65 1.75
Average:
73 | 53 0.15
Partly Cloudy
Actual:
77 | 58 T
Average:
73 | 53 0.15
Scattered Clouds
Actual:
72 | 52 0.00
Average:
73 | 54 0.16
Partly Cloudy
Actual:
76 | 51 0.00
Average:
74 | 54 0.15
Partly Cloudy
Actual:
80 | 55 0.00
Average:
74 | 54 0.15
Partly Cloudy
Actual:
85 | 59 0.00
Average:
74 | 55 0.15
Partly Cloudy
Actual:
88 | 68 0.00
Average:
75 | 55 0.15
Rain
Actual:
84 | 67 0.08
Average:
75 | 55 0.15
Partly Cloudy
Actual:
84 | 65 0.00
Average:
75 | 56 0.16
Partly Cloudy
Actual:
83 | 58 0.00
Average:
76 | 56 0.15
Scattered Clouds
Actual:
84 | 60 0.00
Average:
76 | 56 0.15
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 58 51 44 43 38 35 77 60 43 29.90 29.87 29.85 10 10 10 26 15 35 0.00  
2 57 52 47 43 40 37 77 68 59 29.92 29.89 29.86 10 10 10 20 12 23 0.00  
3 67 58 48 44 38 30 77 53 28 29.91 29.84 29.78 10 10 10 29 15 37 T  
4 68 58 48 43 37 33 61 48 34 30.08 29.97 29.88 10 10 10 22 12 26 T Rain
5 62 55 47 42 37 31 66 55 43 30.05 29.97 29.88 10 10 10 21 11 26 0.02 Rain , Thunderstorm
6 72 58 44 43 40 38 83 57 31 30.02 29.97 29.92 10 10 10 16 9 23 0.00  
7 84 69 53 58 50 41 64 51 37 30.00 29.95 29.91 10 10 10 22 11 28 0.00  
8 85 76 66 63 57 51 68 54 40 30.05 30.00 29.94 10 10 10 24 14 32 0.00  
9 76 72 67 61 57 52 76 63 49 29.96 29.89 29.83 10 10 10 28 13 36 T Rain
10 73 66 59 61 57 52 90 70 49 30.03 29.96 29.91 10 8 2 15 6 18 0.17 Rain
11 82 70 58 65 61 57 100 75 50 30.15 30.06 29.98 10 5 0 35 8 59 0.50 Fog , Rain , Hail , Thunderstorm
12 86 75 63 68 64 61 93 72 51 30.09 30.04 29.99 10 8 1 23 11 31 0.93 Rain , Thunderstorm
13 86 76 65 67 64 59 79 61 42 30.12 30.03 29.98 10 10 2 31 11 44 0.26 Rain
14 71 65 58 64 61 57 100 89 78 30.11 30.02 29.86 10 6 0 15 8 20 0.52 Rain , Thunderstorm
15 65 53 40 63 50 37 93 82 71 30.09 29.90 29.73 10 9 2 24 13 29 0.21 Rain
16 55 47 38 43 39 36 93 76 59 30.07 30.03 29.97 10 9 2 25 4 32 0.08 Rain
17 57 49 41 43 39 35 93 70 47 30.25 30.15 30.05 10 9 2 18 6 23 0.16 Rain
18 64 52 39 40 35 29 85 58 31 30.33 30.29 30.26 10 10 10 9 3 13 0.00  
19 69 56 43 43 39 36 76 54 31 30.32 30.24 30.14 10 10 10 15 6 17 0.00  
20 79 68 56 62 54 41 68 60 51 30.15 30.04 29.96 10 10 10 20 11 24 0.00  
21 82 74 65 67 63 57 93 76 58 29.97 29.93 29.85 10 9 0 33 10 44 1.75 Fog , Rain , Thunderstorm
22 77 68 58 63 57 50 93 68 43 30.07 29.99 29.90 10 10 9 18 10 25 T  
23 72 62 52 50 47 46 77 59 41 30.17 30.12 30.06 10 10 10 17 7 24 0.00  
24 76 64 51 52 49 47 89 63 36 30.23 30.18 30.14 10 10 10 9 2 13 0.00  
25 80 68 55 54 51 49 86 61 35 30.20 30.15 30.09 10 10 10 10 4 23 0.00  
26 85 72 59 65 58 50 73 59 45 30.15 30.08 29.99 10 10 7 15 6 21 0.00  
27 88 78 68 66 63 56 87 61 35 30.02 29.97 29.90 10 9 5 22 10 40 0.00  
28 84 76 67 66 64 61 90 71 51 30.04 29.98 29.93 10 10 6 20 8 23 0.08 Rain
29 84 75 65 67 64 56 93 72 51 30.11 30.05 30.01 10 7 2 17 6 22 0.00  
30 83 71 58 55 52 48 80 57 33 30.17 30.13 30.10 10 10 9 15 7 17 0.00  
31 84 72 60 56 53 51 78 56 34 30.22 30.17 30.11 10 10 10 16 7 23 0.00