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History for Washington, DC
Friday, August 14, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
80 °F
|
78 °F
|
|
| Max Temperature |
87 °F
|
87 °F
|
100 °F
(1943) |
| Min Temperature |
72 °F
|
70 °F
|
55 °F
(1941) |
| Degree Days |
| Heating Degree Days |
0 |
0 |
|
| Month to date heating degree days |
0 |
0 |
|
| Since 1 June heating degree days |
5 |
6 |
|
| Since 1 July heating degree days |
0 |
0 |
|
| Cooling Degree Days |
15 |
14 |
|
| Month to date cooling degree days |
213 |
196 |
|
| Year to date cooling degree days |
993 |
1101 |
|
| Since 1 June cooling degree days |
863 |
967 |
|
| Growing Degree Days | 28 (Base 50) |
|
|
| Moisture |
| Dew Point |
67 °F
|
|
|
| Average Humidity |
71 |
|
|
| Maximum Humidity |
93 |
|
|
| Minimum Humidity |
48 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.09 in
|
2.52 in
(1927) |
| Month to date precipitation |
0.79 |
1.40 |
|
| Year to date precipitation |
24.99 |
24.87 |
|
| Snow |
| Snow |
0.00 in
|
0.00 in
|
-
() |
| Month to date snowfall |
0.0 |
0.0 |
|
| Since 1 July snowfall |
0.0 |
0.0 |
|
| Snow Depth |
0.00 in
|
|
|
| Sea Level Pressure |
| Sea Level Pressure |
30.18 in
|
|
|
| Wind |
| Wind Speed |
5 mph
(East) |
|
|
| Max Wind Speed |
13 mph
|
|
|
| Max Gust Speed |
17 mph
|
|
|
| Visibility |
10 miles
|
|
|
| Events |
|
|
|
|
| Key: T is trace of precipitation, MM is missing value |
|
Source: NWS Daily Summary |
| Time(EDT) | Temperature | Dew Point | Humidity | Sea Level Pressure | Visibility | Wind Direction | Wind Speed | Gust Speed | Precipitation | Events | Conditions |
|---|
| 12:49 AM |
75.2 °F
|
69.8 °F
|
83% |
30.16 in
|
10.0 miles
|
ESE |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 12:52 AM |
75.0 °F
|
69.1 °F
|
82% |
30.16 in
|
10.0 miles
|
East |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:09 AM |
75.2 °F
|
69.8 °F
|
83% |
30.15 in
|
10.0 miles
|
East |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:33 AM |
73.4 °F
|
69.8 °F
|
88% |
30.15 in
|
10.0 miles
|
East |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 AM |
75.0 °F
|
69.1 °F
|
82% |
30.15 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 2:32 AM |
73.4 °F
|
69.8 °F
|
88% |
30.15 in
|
10.0 miles
|
East |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 AM |
73.9 °F
|
69.1 °F
|
85% |
30.15 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 3:08 AM |
73.4 °F
|
68.0 °F
|
83% |
30.15 in
|
10.0 miles
|
NE |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 3:52 AM |
73.0 °F
|
69.1 °F
|
87% |
30.16 in
|
10.0 miles
|
ENE |
5.8 mph
|
-
|
N/A |
|
Partly Cloudy |
| 4:52 AM |
72.0 °F
|
69.1 °F
|
91% |
30.17 in
|
10.0 miles
|
NE |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 5:52 AM |
72.0 °F
|
69.1 °F
|
91% |
30.19 in
|
9.0 miles
|
ENE |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 6:25 AM |
71.6 °F
|
68.0 °F
|
88% |
30.19 in
|
8.0 miles
|
NE |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 6:52 AM |
72.0 °F
|
68.0 °F
|
87% |
30.19 in
|
9.0 miles
|
ENE |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 AM |
73.0 °F
|
68.0 °F
|
84% |
30.21 in
|
9.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Scattered Clouds |
| 8:52 AM |
75.9 °F
|
68.0 °F
|
76% |
30.21 in
|
10.0 miles
|
ENE |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 9:52 AM |
77.0 °F
|
68.0 °F
|
74% |
30.22 in
|
10.0 miles
|
ENE |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:59 AM |
77.0 °F
|
66.2 °F
|
69% |
30.22 in
|
10.0 miles
|
ENE |
6.9 mph
|
-
|
N/A |
|
Overcast |
| 10:52 AM |
80.1 °F
|
66.9 °F
|
64% |
30.23 in
|
10.0 miles
|
ENE |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 10:59 AM |
80.6 °F
|
66.2 °F
|
61% |
30.22 in
|
10.0 miles
|
Variable |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 11:52 AM |
81.0 °F
|
66.0 °F
|
60% |
30.22 in
|
10.0 miles
|
ENE |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
| 12:52 PM |
84.0 °F
|
64.9 °F
|
53% |
30.21 in
|
10.0 miles
|
NNE |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 1:52 PM |
84.9 °F
|
64.0 °F
|
49% |
30.19 in
|
10.0 miles
|
Variable |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 2:52 PM |
86.0 °F
|
64.9 °F
|
49% |
30.18 in
|
10.0 miles
|
East |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 3:52 PM |
84.9 °F
|
64.9 °F
|
51% |
30.17 in
|
10.0 miles
|
East |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 4:52 PM |
84.9 °F
|
64.0 °F
|
49% |
30.17 in
|
10.0 miles
|
East |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 5:52 PM |
84.9 °F
|
64.0 °F
|
49% |
30.16 in
|
10.0 miles
|
East |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 6:52 PM |
82.9 °F
|
63.0 °F
|
51% |
30.16 in
|
10.0 miles
|
ESE |
9.2 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 PM |
81.0 °F
|
64.9 °F
|
58% |
30.17 in
|
10.0 miles
|
ESE |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 8:52 PM |
79.0 °F
|
64.9 °F
|
62% |
30.18 in
|
10.0 miles
|
SE |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
| 9:52 PM |
78.1 °F
|
66.0 °F
|
66% |
30.19 in
|
10.0 miles
|
ESE |
4.6 mph
|
-
|
N/A |
|
Clear |
| 10:52 PM |
75.9 °F
|
66.9 °F
|
74% |
30.18 in
|
10.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 11:52 PM |
75.0 °F
|
66.9 °F
|
76% |
30.18 in
|
10.0 miles
|
SSE |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
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