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History for Washington, DC
Sunday, July 4, 2010
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
81 °F
|
78 °F
|
|
| Max Temperature |
94 °F
|
88 °F
|
100 °F
(1919) |
| Min Temperature |
67 °F
|
69 °F
|
52 °F
(1933) |
| Degree Days |
| Heating Degree Days |
0 |
0 |
|
| Month to date heating degree days |
0 |
0 |
|
| Since 1 June heating degree days |
0 |
5 |
|
| Since 1 July heating degree days |
0 |
0 |
|
| Cooling Degree Days |
16 |
14 |
|
| Month to date cooling degree days |
42 |
55 |
|
| Year to date cooling degree days |
756 |
491 |
|
| Since 1 June cooling degree days |
515 |
359 |
|
| Growing Degree Days | 30 (Base 50) |
|
|
| Moisture |
| Dew Point |
59 °F
|
|
|
| Average Humidity |
51 |
|
|
| Maximum Humidity |
73 |
|
|
| Minimum Humidity |
28 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.11 in
|
2.18 in
(2004) |
| Month to date precipitation |
0.00 |
0.44 |
|
| Year to date precipitation |
13.60 |
19.60 |
|
| 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 |
30.05 in
|
|
|
| Wind |
| Wind Speed |
7 mph
(South) |
|
|
| Max Wind Speed |
14 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 |
|---|
| 12:52 AM |
72.0 °F
|
57.9 °F
|
61% |
30.12 in
|
10.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Clear |
| 1:52 AM |
70.0 °F
|
59.0 °F
|
68% |
30.11 in
|
10.0 miles
|
SSW |
4.6 mph
|
-
|
N/A |
|
Clear |
| 2:52 AM |
70.0 °F
|
60.1 °F
|
71% |
30.10 in
|
10.0 miles
|
South |
3.5 mph
|
-
|
N/A |
|
Clear |
| 3:52 AM |
70.0 °F
|
59.0 °F
|
68% |
30.10 in
|
10.0 miles
|
SSW |
8.1 mph
|
-
|
N/A |
|
Clear |
| 4:52 AM |
68.0 °F
|
57.9 °F
|
70% |
30.09 in
|
10.0 miles
|
SW |
4.6 mph
|
-
|
N/A |
|
Clear |
| 5:52 AM |
68.0 °F
|
57.9 °F
|
70% |
30.11 in
|
10.0 miles
|
SW |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 6:52 AM |
68.0 °F
|
59.0 °F
|
73% |
30.11 in
|
10.0 miles
|
SW |
3.5 mph
|
-
|
N/A |
|
Clear |
| 7:52 AM |
71.1 °F
|
59.0 °F
|
66% |
30.11 in
|
10.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Clear |
| 8:52 AM |
75.0 °F
|
57.0 °F
|
53% |
30.10 in
|
10.0 miles
|
SSW |
4.6 mph
|
-
|
N/A |
|
Clear |
| 9:52 AM |
79.0 °F
|
59.0 °F
|
50% |
30.09 in
|
10.0 miles
|
SSE |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 10:52 AM |
82.9 °F
|
60.1 °F
|
46% |
30.08 in
|
10.0 miles
|
SSE |
6.9 mph
|
-
|
N/A |
|
Partly Cloudy |
| 11:52 AM |
87.1 °F
|
57.9 °F
|
37% |
30.08 in
|
10.0 miles
|
SSE |
5.8 mph
|
-
|
N/A |
|
Partly Cloudy |
| 12:52 PM |
89.1 °F
|
55.0 °F
|
31% |
30.06 in
|
10.0 miles
|
South |
6.9 mph
|
-
|
N/A |
|
Partly Cloudy |
| 1:52 PM |
91.9 °F
|
55.9 °F
|
30% |
30.04 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Partly Cloudy |
| 2:52 PM |
93.0 °F
|
55.9 °F
|
29% |
30.03 in
|
10.0 miles
|
SSE |
8.1 mph
|
-
|
N/A |
|
Partly Cloudy |
| 3:52 PM |
93.0 °F
|
59.0 °F
|
32% |
30.01 in
|
10.0 miles
|
South |
11.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 4:52 PM |
93.9 °F
|
55.0 °F
|
27% |
30.00 in
|
10.0 miles
|
SSE |
9.2 mph
|
-
|
N/A |
|
Partly Cloudy |
| 5:52 PM |
93.0 °F
|
57.0 °F
|
30% |
29.98 in
|
10.0 miles
|
SSE |
11.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 6:52 PM |
91.9 °F
|
57.0 °F
|
31% |
29.98 in
|
10.0 miles
|
South |
11.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 PM |
89.1 °F
|
59.0 °F
|
36% |
29.99 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 8:52 PM |
86.0 °F
|
55.9 °F
|
36% |
29.98 in
|
10.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 9:52 PM |
82.0 °F
|
64.9 °F
|
56% |
30.01 in
|
10.0 miles
|
South |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 10:52 PM |
82.0 °F
|
61.0 °F
|
49% |
30.01 in
|
9.0 miles
|
South |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 11:52 PM |
78.1 °F
|
64.9 °F
|
64% |
30.02 in
|
10.0 miles
|
South |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
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