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History for Washington, DC
Friday, July 24, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
77 °F
|
80 °F
|
|
| Max Temperature |
86 °F
|
89 °F
|
101 °F
(2010) |
| Min Temperature |
68 °F
|
71 °F
|
57 °F
(1947) |
| Degree Days |
| Heating Degree Days |
0 |
0 |
|
| Month to date heating degree days |
0 |
0 |
|
| Since 1 June heating degree days |
5 |
5 |
|
| Since 1 July heating degree days |
0 |
0 |
|
| Cooling Degree Days |
12 |
15 |
|
| Month to date cooling degree days |
266 |
351 |
|
| Year to date cooling degree days |
668 |
787 |
|
| Since 1 June cooling degree days |
538 |
655 |
|
| Growing Degree Days | 27 (Base 50) |
|
|
| Moisture |
| Dew Point |
63 °F
|
|
|
| Average Humidity |
65 |
|
|
| Maximum Humidity |
90 |
|
|
| Minimum Humidity |
40 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.12 in
|
2.20 in
(1904) |
| Month to date precipitation |
0.82 |
2.83 |
|
| Year to date precipitation |
23.95 |
21.99 |
|
| 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 |
29.90 in
|
|
|
| Wind |
| Wind Speed |
6 mph
(NNW) |
|
|
| 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 |
| 12:52 AM |
70.0 °F
|
66.9 °F
|
90% |
29.87 in
|
10.0 miles
|
NW |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 1:52 AM |
71.1 °F
|
68.0 °F
|
90% |
29.88 in
|
10.0 miles
|
NNW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:15 AM |
69.8 °F
|
66.2 °F
|
88% |
29.87 in
|
10.0 miles
|
NNW |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 2:52 AM |
69.1 °F
|
66.0 °F
|
90% |
29.86 in
|
10.0 miles
|
NNW |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 3:52 AM |
69.1 °F
|
66.0 °F
|
90% |
29.86 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 4:28 AM |
69.8 °F
|
66.2 °F
|
88% |
29.86 in
|
9.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Partly Cloudy |
| 4:52 AM |
68.0 °F
|
64.9 °F
|
90% |
29.86 in
|
9.0 miles
|
North |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 5:52 AM |
68.0 °F
|
64.9 °F
|
90% |
29.87 in
|
10.0 miles
|
North |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
69.1 °F
|
64.0 °F
|
84% |
29.89 in
|
10.0 miles
|
NNW |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 AM |
70.0 °F
|
64.0 °F
|
81% |
29.91 in
|
10.0 miles
|
North |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 AM |
73.0 °F
|
64.0 °F
|
73% |
29.92 in
|
10.0 miles
|
North |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
75.9 °F
|
64.9 °F
|
69% |
29.92 in
|
10.0 miles
|
NW |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:52 AM |
80.1 °F
|
64.0 °F
|
58% |
29.92 in
|
10.0 miles
|
NNW |
9.2 mph
|
-
|
N/A |
|
Scattered Clouds |
| 11:52 AM |
82.0 °F
|
64.0 °F
|
54% |
29.93 in
|
10.0 miles
|
North |
10.4 mph
|
-
|
N/A |
|
Scattered Clouds |
| 12:52 PM |
82.9 °F
|
62.1 °F
|
49% |
29.93 in
|
10.0 miles
|
NW |
12.7 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 PM |
82.9 °F
|
60.1 °F
|
46% |
29.92 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 PM |
84.0 °F
|
61.0 °F
|
46% |
29.90 in
|
10.0 miles
|
NE |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 3:52 PM |
84.0 °F
|
60.1 °F
|
44% |
29.88 in
|
10.0 miles
|
Variable |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 4:52 PM |
86.0 °F
|
59.0 °F
|
40% |
29.88 in
|
10.0 miles
|
WSW |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 5:52 PM |
82.9 °F
|
60.1 °F
|
46% |
29.90 in
|
10.0 miles
|
SW |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 PM |
82.9 °F
|
61.0 °F
|
47% |
29.90 in
|
10.0 miles
|
SSW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 PM |
81.0 °F
|
61.0 °F
|
50% |
29.90 in
|
10.0 miles
|
SSW |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 PM |
79.0 °F
|
62.1 °F
|
56% |
29.91 in
|
10.0 miles
|
SSW |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 9:52 PM |
78.1 °F
|
64.9 °F
|
64% |
29.94 in
|
10.0 miles
|
NE |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:52 PM |
75.0 °F
|
61.0 °F
|
62% |
29.95 in
|
10.0 miles
|
NE |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 11:52 PM |
73.9 °F
|
61.0 °F
|
64% |
29.95 in
|
10.0 miles
|
East |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
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