Weather History for Washington, DC

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 72 °F 50 °F 33 °F
Mean Temperature 65 °F 43 °F 28 °F
Min Temperature 57 °F 35 °F 22 °F
Degree Days  
Heating Degree Days (base 65) 37 22 0 696
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 14 1 0 41
Dew Point  
Dew Point 62 °F 31 °F 5 °F
Precipitation  
Precipitation 1.31 in 0.20 in 0.00 in 5.53 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 8 mph 0 mph
Gust Wind 39 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 30.14 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 07, 2013 Rise Set
Actual Time 7:13 AM EST 4:46 PM EST
Civil Twilight 6:43 AM EST 5:15 PM EST
Nautical Twilight 6:10 AM EST 5:48 PM EST
Astronomical Twilight 5:38 AM EST 6:21 PM EST
Moon 10:59 AM EST (12/7) 10:23 PM EST (12/7)
Length of Visible Light 10h 32m
Length of Day
9h 32m
Waxing Crescent, 29% of the Moon is Illuminated
Dec 7
Waxing Crescent
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New

Weather History Calendar

Precipitation Actual month total 5.53 Normal Month Total: 3.05
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Partly Cloudy
Actual:
48 | 30 0.00
Average:
52 | 37 0.11
Overcast
Actual:
50 | 41 0.00
Average:
51 | 36 0.11
Partly Cloudy
Actual:
56 | 41 0.00
Average:
51 | 36 0.11
Overcast
Actual:
57 | 40 0.00
Average:
50 | 36 0.10
Rain
Actual:
69 | 49 T
Average:
50 | 35 0.11
Rain
Actual:
64 | 41 0.63
Average:
50 | 35 0.11
Rain
Actual:
45 | 33 0.16
Average:
49 | 35 0.11
Snow
Actual:
34 | 29 0.82
Average:
49 | 34 0.10
Rain
Actual:
38 | 32 0.69
Average:
49 | 34 0.11
Snow
Actual:
40 | 31 0.35
Average:
48 | 34 0.11
Scattered Clouds
Actual:
43 | 25 0.00
Average:
48 | 34 0.11
Scattered Clouds
Actual:
35 | 27 0.00
Average:
48 | 33 0.11
Partly Cloudy
Actual:
45 | 25 0.00
Average:
47 | 33 0.09
Rain
Actual:
42 | 33 0.46
Average:
47 | 33 0.10
Partly Cloudy
Actual:
51 | 33 0.00
Average:
47 | 33 0.10
Overcast
Actual:
39 | 33 0.00
Average:
46 | 32 0.09
Snow
Actual:
40 | 35 0.02
Average:
46 | 32 0.10
Snow
Actual:
44 | 32 T
Average:
46 | 32 0.09
Partly Cloudy
Actual:
61 | 30 0.00
Average:
46 | 32 0.10
Overcast
Actual:
60 | 44 0.00
Average:
45 | 31 0.09
Partly Cloudy
Actual:
72 | 51 0.00
Average:
45 | 31 0.09
Rain
Actual:
72 | 57 0.24
Average:
45 | 31 0.10
Rain
Actual:
64 | 41 0.85
Average:
45 | 31 0.09
Snow
Actual:
43 | 26 T
Average:
45 | 31 0.10
Scattered Clouds
Actual:
33 | 22 0.00
Average:
44 | 30 0.09
Scattered Clouds
Actual:
45 | 27 0.00
Average:
44 | 30 0.09
Scattered Clouds
Actual:
50 | 30 0.00
Average:
44 | 30 0.09
Partly Cloudy
Actual:
57 | 30 0.00
Average:
44 | 30 0.09
Rain
Actual:
51 | 42 1.31
Average:
44 | 30 0.09
Mostly Cloudy
Actual:
48 | 35 0.00
Average:
44 | 30 0.08
Partly Cloudy
Actual:
49 | 31 0.00
Average:
44 | 29 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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 48 39 30 32 28 25 85 65 45 30.39 30.20 30.04 10 10 7 9 3 10 0.00  
2 50 46 41 40 35 33 76 69 62 30.02 29.94 29.89 10 10 7 10 3 10 0.00  
3 56 49 41 38 36 33 82 67 51 30.01 29.95 29.90 10 10 7 10 2 12 0.00  
4 57 49 40 48 42 36 85 76 66 30.10 30.06 30.01 10 8 7 8 2 8 0.00  
5 69 59 49 58 54 47 96 79 61 30.08 30.01 29.95 10 8 4 21 8 26 T Fog , Rain
6 64 53 41 61 48 36 97 90 82 30.19 30.03 29.90 10 6 2 22 12 30 0.63 Fog , Rain
7 45 39 33 37 31 20 86 67 48 30.56 30.34 30.16 10 9 4 20 13 23 0.16 Rain
8 34 32 29 30 26 19 85 71 56 30.59 30.48 30.30 10 5 1 16 9 20 0.82 Rain , Snow
9 38 35 32 34 32 30 92 89 85 30.33 30.15 30.06 10 6 2 9 4 12 0.69 Rain
10 40 36 31 32 29 20 96 74 52 30.25 30.07 30.01 10 5 0 17 5 24 0.35 Fog , Rain , Snow
11 43 34 25 27 21 16 70 55 39 30.44 30.32 30.25 10 10 10 10 3 14 0.00  
12 35 31 27 24 13 5 78 55 32 30.46 30.36 30.27 10 10 10 22 9 29 0.00  
13 45 35 25 27 17 10 70 49 27 30.32 30.28 30.24 10 10 10 12 6 16 0.00  
14 42 38 33 37 32 21 92 72 52 30.34 30.08 29.72 10 7 2 17 7 21 0.46 Rain
15 51 42 33 36 30 21 85 65 45 29.97 29.78 29.66 10 10 7 25 10 37 0.00  
16 39 36 33 25 23 20 69 59 48 30.21 30.13 29.97 10 10 10 14 7 18 0.00  
17 40 38 35 34 29 24 82 73 64 30.16 30.04 29.96 10 8 4 9 4 12 0.02 Rain , Snow
18 44 38 32 31 24 18 89 64 39 30.24 30.15 30.01 10 8 5 22 7 30 T Snow
19 61 46 30 31 27 23 78 53 27 30.22 30.16 30.09 10 10 10 15 7 20 0.00  
20 60 52 44 45 34 29 71 55 38 30.12 30.08 30.01 10 10 10 15 9 18 0.00  
21 72 62 51 59 49 41 73 61 49 30.04 29.98 29.91 10 10 9 26 13 32 0.00  
22 72 65 57 61 58 55 93 77 61 30.04 29.95 29.84 10 9 1 26 14 36 0.24 Fog , Rain
23 64 53 41 62 53 26 97 77 57 30.24 30.02 29.93 10 7 0 25 12 31 0.85 Fog , Rain
24 43 35 26 26 18 5 61 47 32 30.50 30.30 30.22 10 10 9 31 15 39 T Snow
25 33 28 22 20 11 7 69 53 36 30.59 30.52 30.41 10 10 10 17 7 22 0.00  
26 45 36 27 25 22 16 75 53 31 30.39 30.31 30.25 10 10 10 13 5 17 0.00  
27 50 40 30 31 25 21 75 55 34 30.45 30.38 30.33 10 10 10 12 5 14 0.00  
28 57 44 30 32 28 23 78 56 33 30.35 30.26 30.14 10 10 10 15 7 17 0.00  
29 51 47 42 46 40 27 92 71 49 30.12 29.80 29.55 10 7 1 16 6 20 1.31 Rain
30 48 42 35 40 31 20 89 70 51 30.20 30.05 29.84 10 10 10 21 9 24 0.00  
31 49 40 31 28 19 14 61 46 31 30.35 30.21 30.13 10 10 10 24 11 32 0.00