Weather History for Washington, DC

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 72 °F 47 °F 25 °F
Mean Temperature 62 °F 41 °F 22 °F
Min Temperature 52 °F 33 °F 15 °F
Degree Days  
Heating Degree Days (base 65) 43 24 3 759
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 11 1 0 19
Dew Point  
Dew Point 61 °F 27 °F -8 °F
Precipitation  
Precipitation 0.86 in 0.09 in 0.00 in 2.53 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 8 mph 0 mph
Gust Wind 43 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.62 in 30.18 in 29.16 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 02, 2013 Rise Set
Actual Time 7:26 AM EST 4:58 PM EST
Civil Twilight 6:57 AM EST 5:27 PM EST
Nautical Twilight 6:23 AM EST 6:01 PM EST
Astronomical Twilight 5:51 AM EST 6:33 PM EST
Moon 10:24 PM EST (1/2) 10:10 AM EST (1/2)
Length of Visible Light 10h 30m
Length of Day
9h 31m
Waning Gibbous, 75% of the Moon is Illuminated
Jan 2
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 2.53 Normal Month Total: 2.81
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Overcast
Actual:
45 | 38 0.00
Average:
44 | 29 0.09
Mostly Cloudy
Actual:
40 | 30 0.00
Average:
43 | 29 0.08
Partly Cloudy
Actual:
38 | 30 0.00
Average:
43 | 29 0.09
Scattered Clouds
Actual:
46 | 27 0.00
Average:
43 | 29 0.08
Rain
Actual:
46 | 31 0.01
Average:
43 | 29 0.09
Partly Cloudy
Actual:
52 | 35 0.00
Average:
43 | 29 0.06
Partly Cloudy
Actual:
49 | 34 0.00
Average:
43 | 29 0.09
Partly Cloudy
Actual:
53 | 30 0.00
Average:
43 | 29 0.09
Rain
Actual:
54 | 34 0.01
Average:
43 | 29 0.09
Partly Cloudy
Actual:
57 | 43 0.00
Average:
43 | 29 0.09
Rain
Actual:
46 | 38 0.01
Average:
43 | 29 0.10
Fog
Actual:
51 | 43 0.00
Average:
43 | 28 0.09
Rain
Actual:
55 | 43 T
Average:
43 | 28 0.09
Rain
Actual:
63 | 42 0.09
Average:
43 | 28 0.10
Rain
Actual:
42 | 37 0.79
Average:
43 | 28 0.09
Rain
Actual:
43 | 37 0.29
Average:
43 | 28 0.09
Rain
Actual:
46 | 40 0.01
Average:
43 | 28 0.09
Scattered Clouds
Actual:
40 | 31 0.00
Average:
43 | 28 0.09
Clear
Actual:
54 | 33 0.00
Average:
43 | 28 0.09
Scattered Clouds
Actual:
62 | 38 0.00
Average:
43 | 28 0.09
Partly Cloudy
Actual:
47 | 32 0.00
Average:
43 | 28 0.10
Scattered Clouds
Actual:
32 | 19 0.00
Average:
43 | 28 0.09
Snow
Actual:
28 | 15 T
Average:
44 | 28 0.09
Snow
Actual:
29 | 19 0.03
Average:
44 | 29 0.09
Snow
Actual:
25 | 19 0.02
Average:
44 | 29 0.09
Snow
Actual:
37 | 24 T
Average:
44 | 29 0.09
Partly Cloudy
Actual:
38 | 27 0.00
Average:
44 | 29 0.08
Snow
Actual:
46 | 33 0.13
Average:
44 | 29 0.10
Partly Cloudy
Actual:
69 | 41 0.00
Average:
44 | 29 0.09
Rain
Actual:
72 | 52 0.86
Average:
44 | 29 0.09
Rain
Actual:
66 | 32 0.28
Average:
44 | 29 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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 45 42 38 31 28 25 70 58 45 30.02 29.99 29.92 10 10 10 15 6 17 0.00  
2 40 35 30 27 18 11 64 51 38 30.25 30.13 30.02 10 10 10 18 9 22 0.00  
3 38 34 30 23 17 12 63 53 43 30.28 30.22 30.17 10 10 10 13 6 15 0.00  
4 46 37 27 23 19 16 75 54 33 30.23 30.19 30.12 10 10 10 21 8 26 0.00  
5 46 39 31 31 22 16 64 49 34 30.40 30.29 30.17 10 10 9 17 6 24 0.01 Rain
6 52 44 35 32 28 24 82 54 23 30.21 30.13 30.04 10 10 10 13 7 20 0.00  
7 49 42 34 28 25 23 70 54 38 30.45 30.37 30.17 10 10 9 18 8 25 0.00  
8 53 42 30 34 31 26 85 65 44 30.44 30.41 30.38 10 10 8 16 6 21 0.00  
9 54 44 34 40 36 28 92 79 65 30.40 30.35 30.25 10 10 7 16 3 22 0.01 Rain
10 57 50 43 31 27 24 53 42 30 30.61 30.52 30.41 10 10 10 16 7 22 0.00  
11 46 42 38 43 37 27 100 75 49 30.52 30.27 30.12 10 6 1 9 2 12 0.01 Fog , Rain
12 51 47 43 45 43 41 100 90 80 30.19 30.16 30.12 9 3 0 13 4 17 0.00 Fog
13 55 49 43 54 47 41 100 96 92 30.17 30.08 29.99 5 1 0 9 3 10 T Fog , Rain
14 63 53 42 57 47 34 100 77 54 30.31 30.11 29.97 10 8 0 21 10 26 0.09 Fog , Rain
15 42 40 37 39 36 34 93 85 76 30.35 30.27 30.17 10 5 2 18 9 22 0.79 Rain
16 43 40 37 40 36 33 92 87 82 30.18 30.04 29.88 10 8 3 17 6 21 0.29 Rain
17 46 43 40 41 33 28 96 75 53 30.14 30.08 30.01 10 10 10 17 7 20 0.01 Rain
18 40 36 31 28 17 7 64 46 27 30.52 30.39 30.12 10 10 10 29 12 36 0.00  
19 54 44 33 30 25 21 69 52 35 30.43 30.25 29.99 10 10 10 21 13 26 0.00  
20 62 50 38 30 21 4 60 39 17 30.10 29.94 29.85 10 10 10 24 12 33 0.00  
21 47 40 32 27 18 9 51 43 34 30.12 29.99 29.80 10 10 10 26 10 37 0.00  
22 32 26 19 8 -4 -8 39 32 25 30.32 30.19 29.95 10 10 10 29 16 39 0.00  
23 28 22 15 12 -1 -4 53 40 26 30.38 30.28 30.17 10 10 5 20 8 28 T Snow
24 29 24 19 18 11 -1 84 57 29 30.54 30.27 30.12 10 5 1 29 12 33 0.03 Snow
25 25 22 19 18 8 -2 77 56 35 30.54 30.28 30.10 10 8 1 17 7 22 0.02 Snow
26 37 31 24 21 19 17 74 61 47 30.45 30.25 30.12 10 10 9 17 6 23 T Snow
27 38 33 27 23 19 15 69 57 44 30.62 30.53 30.46 10 10 10 12 7 14 0.00  
28 46 40 33 39 31 23 89 75 61 30.50 30.29 30.07 10 7 3 18 9 22 0.13 Rain , Snow
29 69 55 41 50 44 39 89 68 47 30.14 30.07 29.99 10 9 6 14 7 15 0.00  
30 72 62 52 59 54 48 100 84 68 29.97 29.67 29.23 10 9 3 23 14 29 0.86 Rain
31 66 49 32 61 31 10 90 61 31 29.94 29.55 29.16 10 9 2 33 17 43 0.28 Rain