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History for Washington, DC
Thursday, June 25, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
80 °F
|
77 °F
|
|
| Max Temperature |
91 °F
|
86 °F
|
100 °F
(1997) |
| Min Temperature |
69 °F
|
67 °F
|
53 °F
(1902) |
| Degree Days |
| Heating Degree Days |
0 |
0 |
|
| Month to date heating degree days |
5 |
5 |
|
| Since 1 June heating degree days |
5 |
5 |
|
| Since 1 July heating degree days |
4210 |
4055 |
|
| Cooling Degree Days |
15 |
12 |
|
| Month to date cooling degree days |
214 |
240 |
|
| Year to date cooling degree days |
344 |
372 |
|
| Since 1 June cooling degree days |
214 |
240 |
|
| Growing Degree Days | 28 (Base 50) |
|
|
| Moisture |
| Dew Point |
61 °F
|
|
|
| Average Humidity |
53 |
|
|
| Maximum Humidity |
74 |
|
|
| Minimum Humidity |
31 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.10 in
|
5.19 in
(2006) |
| Month to date precipitation |
5.46 |
2.59 |
|
| Year to date precipitation |
22.73 |
18.62 |
|
| Snow |
| Snow |
0.00 in
|
0.00 in
|
-
() |
| Month to date snowfall |
0.0 |
0.0 |
|
| Since 1 July snowfall |
7.5 |
15.2 |
|
| Snow Depth |
0.00 in
|
|
|
| Sea Level Pressure |
| Sea Level Pressure |
29.82 in
|
|
|
| Wind |
| Wind Speed |
5 mph
(WNW) |
|
|
| Max Wind Speed |
14 mph
|
|
|
| Max Gust Speed |
16 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 |
78.1 °F
|
57.0 °F
|
48% |
29.81 in
|
10.0 miles
|
WNW |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 2:52 AM |
72.0 °F
|
61.0 °F
|
68% |
29.81 in
|
10.0 miles
|
NNE |
5.8 mph
|
-
|
N/A |
|
Clear |
| 3:52 AM |
72.0 °F
|
59.0 °F
|
64% |
29.81 in
|
10.0 miles
|
NE |
4.6 mph
|
-
|
N/A |
|
Clear |
| 4:52 AM |
69.1 °F
|
60.1 °F
|
73% |
29.82 in
|
10.0 miles
|
North |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 5:52 AM |
70.0 °F
|
60.1 °F
|
71% |
29.83 in
|
10.0 miles
|
NNE |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
72.0 °F
|
61.0 °F
|
68% |
29.84 in
|
10.0 miles
|
North |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 AM |
73.0 °F
|
61.0 °F
|
66% |
29.86 in
|
10.0 miles
|
North |
8.1 mph
|
-
|
N/A |
|
Overcast |
| 8:52 AM |
77.0 °F
|
60.1 °F
|
56% |
29.86 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 9:52 AM |
81.0 °F
|
60.1 °F
|
49% |
29.86 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 10:52 AM |
82.9 °F
|
57.9 °F
|
42% |
29.85 in
|
10.0 miles
|
Variable |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 11:52 AM |
84.9 °F
|
60.1 °F
|
43% |
29.85 in
|
10.0 miles
|
Variable |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 12:52 PM |
86.0 °F
|
59.0 °F
|
40% |
29.84 in
|
10.0 miles
|
North |
6.9 mph
|
-
|
N/A |
|
Overcast |
| 1:52 PM |
87.1 °F
|
59.0 °F
|
39% |
29.83 in
|
10.0 miles
|
Variable |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 PM |
87.1 °F
|
57.9 °F
|
37% |
29.81 in
|
10.0 miles
|
WNW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 3:52 PM |
87.1 °F
|
57.9 °F
|
37% |
29.80 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 4:52 PM |
87.1 °F
|
54.0 °F
|
32% |
29.79 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 5:52 PM |
84.0 °F
|
64.9 °F
|
53% |
29.78 in
|
10.0 miles
|
South |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 PM |
82.9 °F
|
68.0 °F
|
60% |
29.77 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 PM |
84.0 °F
|
62.1 °F
|
47% |
29.77 in
|
10.0 miles
|
SW |
9.2 mph
|
-
|
N/A |
|
Scattered Clouds |
| 8:52 PM |
82.0 °F
|
61.0 °F
|
49% |
29.79 in
|
10.0 miles
|
WSW |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
| 9:52 PM |
78.1 °F
|
69.1 °F
|
74% |
29.78 in
|
10.0 miles
|
South |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 10:52 PM |
78.1 °F
|
64.9 °F
|
64% |
29.78 in
|
10.0 miles
|
SSW |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 11:52 PM |
75.9 °F
|
66.0 °F
|
71% |
29.81 in
|
10.0 miles
|
South |
5.8 mph
|
-
|
N/A |
|
Partly Cloudy |
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