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History for Washington, DC
Saturday, September 4, 2010
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
78 °F
|
75 °F
|
|
| Max Temperature |
85 °F
|
84 °F
|
95 °F
(1985) |
| Min Temperature |
70 °F
|
67 °F
|
49 °F
(1908) |
| Degree Days |
| Heating Degree Days |
0 |
0 |
|
| Month to date heating degree days |
0 |
0 |
|
| Since 1 July heating degree days |
0 |
0 |
|
| Cooling Degree Days |
13 |
10 |
|
| Month to date cooling degree days |
73 |
42 |
|
| Year to date cooling degree days |
1832 |
1353 |
|
| Growing Degree Days | 28 (Base 50) |
|
|
| Moisture |
| Dew Point |
44 °F
|
|
|
| Average Humidity |
34 |
|
|
| Maximum Humidity |
46 |
|
|
| Minimum Humidity |
22 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.11 in
|
4.49 in
(1939) |
| Month to date precipitation |
0.00 |
0.44 |
|
| Year to date precipitation |
21.36 |
26.84 |
|
| 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 |
29.79 in
|
|
|
| Wind |
| Wind Speed |
11 mph
(WNW) |
|
|
| Max Wind Speed |
25 mph
|
|
|
| Max Gust Speed |
32 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 |
81.0 °F
|
57.9 °F
|
45% |
29.68 in
|
10.0 miles
|
WNW |
19.6 mph
|
26.5 mph
|
N/A |
|
Partly Cloudy |
| 1:52 AM |
79.0 °F
|
50.0 °F
|
36% |
29.69 in
|
10.0 miles
|
West |
8.1 mph
|
-
|
N/A |
|
Clear |
| 2:52 AM |
78.1 °F
|
50.0 °F
|
37% |
29.70 in
|
10.0 miles
|
NW |
9.2 mph
|
-
|
N/A |
|
Clear |
| 3:52 AM |
75.9 °F
|
51.1 °F
|
42% |
29.71 in
|
10.0 miles
|
West |
5.8 mph
|
-
|
N/A |
|
Partly Cloudy |
| 4:52 AM |
73.9 °F
|
51.1 °F
|
45% |
29.73 in
|
10.0 miles
|
West |
8.1 mph
|
-
|
N/A |
|
Partly Cloudy |
| 5:52 AM |
73.9 °F
|
44.1 °F
|
34% |
29.75 in
|
10.0 miles
|
NW |
12.7 mph
|
18.4 mph
|
N/A |
|
Partly Cloudy |
| 6:52 AM |
73.0 °F
|
42.1 °F
|
33% |
29.77 in
|
10.0 miles
|
WNW |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 AM |
73.0 °F
|
43.0 °F
|
34% |
29.79 in
|
10.0 miles
|
WNW |
11.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 8:52 AM |
75.0 °F
|
43.0 °F
|
32% |
29.80 in
|
10.0 miles
|
West |
15.0 mph
|
20.7 mph
|
N/A |
|
Partly Cloudy |
| 9:52 AM |
75.9 °F
|
41.0 °F
|
29% |
29.80 in
|
10.0 miles
|
West |
17.3 mph
|
31.1 mph
|
N/A |
|
Scattered Clouds |
| 10:52 AM |
78.1 °F
|
42.1 °F
|
28% |
29.81 in
|
10.0 miles
|
West |
15.0 mph
|
27.6 mph
|
N/A |
|
Scattered Clouds |
| 11:52 AM |
80.1 °F
|
42.1 °F
|
26% |
29.80 in
|
10.0 miles
|
West |
9.2 mph
|
20.7 mph
|
N/A |
|
Scattered Clouds |
| 12:52 PM |
82.0 °F
|
42.1 °F
|
24% |
29.79 in
|
10.0 miles
|
West |
12.7 mph
|
23.0 mph
|
N/A |
|
Scattered Clouds |
| 1:52 PM |
82.9 °F
|
43.0 °F
|
24% |
29.79 in
|
10.0 miles
|
WSW |
16.1 mph
|
26.5 mph
|
N/A |
|
Scattered Clouds |
| 2:52 PM |
81.0 °F
|
43.0 °F
|
26% |
29.78 in
|
10.0 miles
|
WNW |
12.7 mph
|
16.1 mph
|
N/A |
|
Mostly Cloudy |
| 3:52 PM |
82.9 °F
|
44.1 °F
|
25% |
29.78 in
|
10.0 miles
|
NW |
12.7 mph
|
19.6 mph
|
N/A |
|
Mostly Cloudy |
| 4:52 PM |
82.9 °F
|
42.1 °F
|
24% |
29.78 in
|
10.0 miles
|
WNW |
15.0 mph
|
25.3 mph
|
N/A |
|
Scattered Clouds |
| 5:52 PM |
82.0 °F
|
39.0 °F
|
22% |
29.79 in
|
10.0 miles
|
WNW |
16.1 mph
|
26.5 mph
|
N/A |
|
Scattered Clouds |
| 6:52 PM |
80.1 °F
|
39.9 °F
|
24% |
29.81 in
|
10.0 miles
|
WNW |
11.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 7:52 PM |
75.9 °F
|
42.1 °F
|
30% |
29.83 in
|
10.0 miles
|
WNW |
5.8 mph
|
-
|
N/A |
|
Partly Cloudy |
| 8:52 PM |
75.9 °F
|
42.1 °F
|
30% |
29.86 in
|
10.0 miles
|
WNW |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 9:52 PM |
73.9 °F
|
43.0 °F
|
33% |
29.89 in
|
10.0 miles
|
WNW |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 10:52 PM |
73.0 °F
|
42.1 °F
|
33% |
29.90 in
|
10.0 miles
|
NW |
11.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 11:52 PM |
71.1 °F
|
43.0 °F
|
36% |
29.92 in
|
10.0 miles
|
NW |
11.5 mph
|
18.4 mph
|
N/A |
|
Clear |
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