Weather History for Washington, DC

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Month of May, 2007

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 78 °F 61 °F
Mean Temperature 79 °F 68 °F 56 °F
Min Temperature 70 °F 58 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 9 2 0 53
Cooling Degree Days (base 65) 14 5 0 150
Growing Degree Days (base 50) 28 18 4 544
Dew Point  
Dew Point 69 °F 51 °F 23 °F
Precipitation  
Precipitation 0.93 in 0.07 in 0.00 in 1.75 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 9 mph 0 mph
Gust Wind 44 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.49 in 30.13 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 26, 2007 Rise Set
Actual Time 5:47 AM EDT 8:22 PM EDT
Civil Twilight 5:16 AM EDT 8:53 PM EDT
Nautical Twilight 4:38 AM EDT 9:32 PM EDT
Astronomical Twilight 3:55 AM EDT 10:15 PM EDT
Moon 3:32 PM EDT (5/26) 2:49 AM EDT (5/26)
Length of Visible Light 15h 36m
Length of Day
14h 34m
Waxing Gibbous, 76% of the Moon is Illuminated
May 26
Waxing Gibbous
May 31
Full
Jun 8
Last Quarter
Jun 14
New
Jun 22
First Quarter

Weather History Calendar

Precipitation Actual month total 1.75 Normal Month Total: 3.82
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
78 | 59 0.00
Average:
71 | 51 0.11
Mostly Cloudy
Actual:
83 | 59 T
Average:
71 | 51 0.11
Overcast
Actual:
65 | 55 0.00
Average:
72 | 51 0.11
Partly Cloudy
Actual:
73 | 50 0.00
Average:
72 | 52 0.11
Rain
Actual:
68 | 53 0.04
Average:
72 | 52 0.12
Scattered Clouds
Actual:
63 | 48 0.00
Average:
72 | 53 0.12
Partly Cloudy
Actual:
66 | 45 0.00
Average:
73 | 53 0.12
Partly Cloudy
Actual:
75 | 44 0.00
Average:
73 | 53 0.12
Partly Cloudy
Actual:
80 | 59 0.00
Average:
73 | 54 0.12
Partly Cloudy
Actual:
79 | 67 0.00
Average:
74 | 54 0.12
Partly Cloudy
Actual:
86 | 65 T
Average:
74 | 54 0.12
Thunderstorm
Actual:
81 | 61 0.93
Average:
74 | 55 0.13
Rain
Actual:
71 | 54 T
Average:
74 | 55 0.13
Partly Cloudy
Actual:
73 | 49 0.00
Average:
75 | 55 0.13
Scattered Clouds
Actual:
83 | 59 0.00
Average:
75 | 56 0.13
Thunderstorm
Actual:
83 | 62 0.48
Average:
75 | 56 0.13
Partly Cloudy
Actual:
69 | 57 0.00
Average:
76 | 56 0.13
Mostly Cloudy
Actual:
61 | 54 T
Average:
76 | 56 0.13
Partly Cloudy
Actual:
73 | 50 0.00
Average:
76 | 57 0.13
Rain
Actual:
81 | 58 T
Average:
77 | 57 0.13
Partly Cloudy
Actual:
74 | 59 0.00
Average:
77 | 57 0.13
Partly Cloudy
Actual:
76 | 54 0.00
Average:
77 | 58 0.13
Partly Cloudy
Actual:
78 | 57 0.00
Average:
77 | 58 0.13
Clear
Actual:
79 | 57 0.00
Average:
78 | 58 0.13
Scattered Clouds
Actual:
85 | 60 0.00
Average:
78 | 59 0.13
Partly Cloudy
Actual:
91 | 67 0.00
Average:
78 | 59 0.12
Thunderstorm
Actual:
86 | 70 0.30
Average:
79 | 59 0.12
Mostly Cloudy
Actual:
86 | 68 0.00
Average:
79 | 60 0.12
Scattered Clouds
Actual:
86 | 69 0.00
Average:
79 | 60 0.12
Scattered Clouds
Actual:
86 | 64 0.00
Average:
80 | 60 0.12
Partly Cloudy
Actual:
89 | 66 0.00
Average:
80 | 61 0.12
 

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

2007 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 78 69 59 54 45 35 60 47 33 30.06 29.94 29.79 10 10 10 26 8 44 0.00  
2 83 71 59 61 51 45 67 52 37 30.07 29.90 29.83 10 10 10 25 8 30 T  
3 65 60 55 53 42 34 78 57 36 30.26 30.20 30.09 10 10 10 15 8 21 0.00  
4 73 62 50 47 40 34 77 52 26 30.26 30.21 30.15 10 10 10 14 7 25 0.00  
5 68 61 53 52 48 30 93 60 26 30.19 30.14 30.10 10 9 5 21 8 24 0.04 Rain
6 63 56 48 51 31 23 93 60 27 30.43 30.33 30.13 10 10 7 28 16 40 0.00  
7 66 56 45 40 36 30 82 55 28 30.48 30.41 30.32 10 10 10 21 9 25 0.00  
8 75 60 44 59 47 34 84 65 45 30.33 30.24 30.15 10 10 10 10 5 22 0.00  
9 80 70 59 65 62 56 93 76 58 30.17 30.10 30.02 10 10 9 14 5 24 0.00  
10 79 73 67 66 65 63 93 76 58 30.02 29.98 29.88 10 10 7 16 9 22 0.00  
11 86 76 65 66 61 52 93 63 32 29.91 29.89 29.87 10 10 9 18 7 26 T  
12 81 71 61 64 61 58 87 66 45 30.00 29.95 29.89 10 8 0 33 6 41 0.93 Fog , Rain , Thunderstorm
13 71 63 54 61 44 28 100 61 21 30.25 30.11 29.99 10 9 4 23 11 26 T Rain
14 73 61 49 47 39 33 71 48 25 30.35 30.27 30.19 10 10 10 16 8 32 0.00  
15 83 71 59 59 51 41 54 48 42 30.18 30.03 29.88 10 10 10 25 15 31 0.00  
16 83 73 62 66 60 55 78 63 47 29.90 29.80 29.70 10 8 0 30 13 35 0.48 Fog , Rain , Thunderstorm
17 69 63 57 57 49 44 84 63 42 30.09 30.03 29.92 10 10 10 17 8 22 0.00  
18 61 58 54 52 49 47 90 75 60 30.15 30.11 30.06 10 10 7 16 9 22 T  
19 73 62 50 48 40 35 83 54 25 30.13 30.05 29.94 10 10 10 23 12 30 0.00  
20 81 70 58 51 47 38 60 48 35 29.99 29.94 29.87 10 10 10 25 10 31 T Rain
21 74 67 59 52 46 42 67 50 33 30.23 30.12 29.96 10 10 10 21 9 24 0.00  
22 76 65 54 54 51 46 86 65 43 30.35 30.30 30.23 10 10 10 15 7 22 0.00  
23 78 68 57 55 51 47 75 58 40 30.45 30.41 30.36 10 10 10 15 10 18 0.00  
24 79 68 57 58 54 51 80 63 45 30.49 30.42 30.33 10 10 10 14 9 18 0.00  
25 85 73 60 65 58 49 78 61 44 30.33 30.25 30.16 10 10 10 14 9 18 0.00  
26 91 79 67 65 62 51 87 57 27 30.19 30.14 30.07 10 8 5 14 5 25 0.00  
27 86 78 70 68 65 61 84 68 51 30.16 30.12 30.08 8 5 0 31 6 40 0.30 Rain , Thunderstorm
28 86 77 68 69 64 60 87 66 44 30.19 30.14 30.11 10 8 4 15 5 21 0.00  
29 86 78 69 64 54 50 79 55 31 30.28 30.21 30.16 10 10 8 16 6 20 0.00  
30 86 75 64 66 60 56 90 66 42 30.24 30.18 29.98 10 10 10 15 9 18 0.00  
31 89 78 66 65 61 56 73 56 39 30.16 30.12 30.06 10 10 10 15 9 18 0.00