Weather History for Washington, DC

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 85 °F 74 °F
Mean Temperature 86 °F 77 °F 70 °F
Min Temperature 78 °F 69 °F 60 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 21 12 5 383
Growing Degree Days (base 50) 36 27 20 833
Dew Point  
Dew Point 74 °F 64 °F 42 °F
Precipitation  
Precipitation 0.44 in 0.05 in 0.00 in 1.34 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 26 mph 7 mph 0 mph
Gust Wind 35 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 30.05 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 06, 2013 Rise Set
Actual Time 6:13 AM EDT 8:13 PM EDT
Civil Twilight 5:44 AM EDT 8:42 PM EDT
Nautical Twilight 5:09 AM EDT 9:18 PM EDT
Astronomical Twilight 4:30 AM EDT 9:56 PM EDT
Moon 6:02 AM EDT (8/6) 7:48 PM EDT (8/6)
Length of Visible Light 14h 57m
Length of Day
13h 59m
Waning Crescent, 0% of the Moon is Illuminated
Aug 6
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.34 Normal Month Total: 2.93
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
83 | 70 0.41
Average:
88 | 71 0.11
Partly Cloudy
Actual:
88 | 71 0.00
Average:
88 | 71 0.10
Rain
Actual:
82 | 70 0.03
Average:
88 | 71 0.11
Scattered Clouds
Actual:
83 | 68 0.00
Average:
88 | 71 0.11
Partly Cloudy
Actual:
82 | 63 0.00
Average:
88 | 71 0.10
Rain
Actual:
74 | 69 0.07
Average:
88 | 71 0.11
Rain
Actual:
85 | 72 T
Average:
87 | 71 0.10
Thunderstorm
Actual:
87 | 76 T
Average:
87 | 71 0.11
Mostly Cloudy
Actual:
93 | 78 0.00
Average:
87 | 71 0.10
Rain
Actual:
84 | 75 0.01
Average:
87 | 71 0.09
Mostly Cloudy
Actual:
86 | 74 0.00
Average:
87 | 70 0.09
Rain
Actual:
92 | 74 T
Average:
87 | 70 0.09
Thunderstorm
Actual:
89 | 71 0.44
Average:
87 | 70 0.09
Partly Cloudy
Actual:
78 | 62 0.00
Average:
87 | 70 0.09
Partly Cloudy
Actual:
80 | 60 0.00
Average:
87 | 70 0.10
Partly Cloudy
Actual:
81 | 62 0.00
Average:
87 | 70 0.09
Partly Cloudy
Actual:
81 | 63 0.00
Average:
87 | 70 0.09
Rain
Actual:
74 | 67 0.19
Average:
87 | 70 0.09
Mostly Cloudy
Actual:
75 | 65 0.00
Average:
86 | 70 0.09
Partly Cloudy
Actual:
89 | 69 0.00
Average:
86 | 70 0.09
Thunderstorm
Actual:
89 | 73 0.07
Average:
86 | 69 0.09
Rain
Actual:
91 | 74 T
Average:
86 | 69 0.09
Rain
Actual:
79 | 66 0.11
Average:
86 | 69 0.09
Scattered Clouds
Actual:
85 | 64 0.00
Average:
86 | 69 0.09
Partly Cloudy
Actual:
83 | 65 0.00
Average:
86 | 69 0.09
Partly Cloudy
Actual:
90 | 64 0.00
Average:
85 | 69 0.09
Rain
Actual:
94 | 73 T
Average:
85 | 68 0.09
Rain
Actual:
83 | 75 0.01
Average:
85 | 68 0.08
Rain
Actual:
87 | 74 T
Average:
85 | 68 0.09
Partly Cloudy
Actual:
88 | 72 0.00
Average:
85 | 68 0.09
Partly Cloudy
Actual:
92 | 73 0.00
Average:
84 | 68 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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 83 77 70 72 69 66 93 79 65 30.03 29.91 29.82 10 7 2 15 7 20 0.41 Rain , Thunderstorm
2 88 80 71 68 63 59 90 65 39 29.98 29.93 29.87 10 10 10 18 6 24 0.00  
3 82 76 70 66 64 61 84 69 54 29.99 29.96 29.94 10 10 8 15 5 17 0.03 Rain
4 83 76 68 66 57 49 84 59 33 30.04 29.97 29.92 10 10 10 22 10 29 0.00  
5 82 73 63 59 54 49 67 51 34 30.12 30.06 30.02 10 10 10 16 6 28 0.00  
6 74 72 69 66 64 60 84 76 68 30.09 30.06 30.02 10 10 4 15 8 18 0.07 Rain
7 85 79 72 71 68 66 84 73 61 30.09 30.06 30.01 10 10 10 16 9 18 T Rain
8 87 82 76 74 72 70 87 74 61 30.05 30.02 29.99 10 10 10 22 9 25 T Rain , Thunderstorm
9 93 86 78 74 71 68 85 67 49 29.98 29.92 29.86 10 10 9 22 11 29 0.00  
10 84 80 75 70 66 59 76 61 46 30.10 30.04 29.96 10 10 10 12 7 16 0.01 Rain
11 86 80 74 69 67 64 82 67 51 30.13 30.08 30.02 10 10 10 13 5 16 0.00  
12 92 83 74 72 67 59 87 62 37 30.04 29.99 29.93 10 10 7 16 5 20 T Rain
13 89 80 71 74 69 63 87 66 45 29.91 29.81 29.75 10 8 1 26 8 35 0.44 Rain , Thunderstorm
14 78 70 62 66 50 46 79 59 38 30.11 29.99 29.83 10 10 10 26 13 32 0.00  
15 80 70 60 56 50 42 78 52 26 30.20 30.15 30.10 10 10 10 10 6 - 0.00  
16 81 72 62 59 54 49 78 57 35 30.21 30.17 30.15 10 10 10 10 3 14 0.00  
17 81 72 63 62 57 53 84 62 39 30.27 30.24 30.22 10 10 10 16 8 21 0.00  
18 74 71 67 64 61 56 84 69 53 30.25 30.21 30.18 10 9 5 13 6 16 0.19 Rain
19 75 70 65 66 63 61 87 78 68 30.19 30.14 30.09 10 10 10 13 6 22 0.00  
20 89 79 69 71 67 64 87 69 50 30.18 30.14 30.10 10 10 7 15 5 20 0.00  
21 89 81 73 74 71 69 87 71 55 30.21 30.15 30.09 10 9 6 17 7 21 0.07 Rain , Thunderstorm
22 91 83 74 71 67 62 87 64 41 30.11 30.03 29.95 10 10 8 17 8 23 T Rain
23 79 73 66 70 63 53 79 64 49 30.13 30.03 29.95 10 9 4 16 7 21 0.11 Rain
24 85 75 64 64 58 53 87 62 37 30.35 30.25 30.14 10 10 10 13 7 16 0.00  
25 83 74 65 63 57 51 87 61 34 30.43 30.36 30.29 10 10 10 17 6 21 0.00  
26 90 77 64 63 59 55 78 55 32 30.30 30.17 30.03 10 10 9 17 8 22 0.00  
27 94 84 73 69 66 63 73 56 39 30.01 29.95 29.89 10 10 7 17 8 24 T Rain
28 83 79 75 72 70 66 87 75 62 29.93 29.88 29.84 10 8 4 15 6 18 0.01 Rain
29 87 81 74 72 69 65 93 70 46 30.04 29.94 29.85 10 8 4 15 8 18 T Rain
30 88 80 72 70 67 65 84 67 50 30.06 30.00 29.91 10 9 7 17 9 21 0.00  
31 92 83 73 74 69 67 84 66 47 29.91 29.86 29.81 10 10 8 17 10 23 0.00