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History for Washington, DC
Thursday, July 29, 2010
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
85 °F
|
79 °F
|
|
| Max Temperature |
94 °F
|
88 °F
|
104 °F
(2011) |
| Min Temperature |
76 °F
|
70 °F
|
58 °F
(1920) |
| 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 |
20 |
15 |
|
| Month to date cooling degree days |
539 |
426 |
|
| Year to date cooling degree days |
1253 |
862 |
|
| Since 1 June cooling degree days |
1012 |
730 |
|
| Growing Degree Days | 34 (Base 50) |
|
|
| Moisture |
| Dew Point |
70 °F
|
|
|
| Average Humidity |
63 |
|
|
| Maximum Humidity |
79 |
|
|
| Minimum Humidity |
46 |
|
|
| Precipitation |
| Precipitation |
0.70 in
|
0.12 in
|
2.34 in
(1877) |
| Month to date precipitation |
5.17 |
3.43 |
|
| Year to date precipitation |
18.77 |
22.59 |
|
| 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 |
29.88 in
|
|
|
| Wind |
| Wind Speed |
7 mph
(West) |
|
|
| Max Wind Speed |
25 mph
|
|
|
| Max Gust Speed |
33 mph
|
|
|
| Visibility |
9 miles
|
|
|
| Events |
Rain
,
Thunderstorm
|
|
|
|
| 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 |
84.0 °F
|
72.0 °F
|
67% |
29.92 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 1:52 AM |
82.0 °F
|
72.0 °F
|
71% |
29.92 in
|
10.0 miles
|
South |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 2:52 AM |
81.0 °F
|
73.0 °F
|
77% |
29.91 in
|
10.0 miles
|
SSW |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 3:52 AM |
81.0 °F
|
72.0 °F
|
74% |
29.89 in
|
9.0 miles
|
SSW |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 4:52 AM |
80.1 °F
|
72.0 °F
|
76% |
29.90 in
|
9.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Partly Cloudy |
| 5:52 AM |
79.0 °F
|
72.0 °F
|
79% |
29.91 in
|
9.0 miles
|
SSW |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
80.1 °F
|
72.0 °F
|
76% |
29.92 in
|
8.0 miles
|
SSW |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 AM |
82.0 °F
|
73.0 °F
|
74% |
29.92 in
|
9.0 miles
|
SSW |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 8:31 AM |
82.4 °F
|
71.6 °F
|
70% |
29.92 in
|
10.0 miles
|
WSW |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 AM |
84.0 °F
|
73.0 °F
|
69% |
29.92 in
|
10.0 miles
|
SSW |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
87.1 °F
|
71.1 °F
|
59% |
29.91 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 10:52 AM |
90.0 °F
|
70.0 °F
|
52% |
29.91 in
|
9.0 miles
|
West |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 11:52 AM |
91.9 °F
|
70.0 °F
|
48% |
29.90 in
|
8.0 miles
|
WNW |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 12:52 PM |
93.0 °F
|
69.1 °F
|
45% |
29.87 in
|
10.0 miles
|
West |
12.7 mph
|
19.6 mph
|
N/A |
|
Mostly Cloudy |
| 1:40 PM |
91.4 °F
|
69.8 °F
|
49% |
29.86 in
|
10.0 miles
|
NW |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 PM |
84.9 °F
|
66.9 °F
|
55% |
29.87 in
|
10.0 miles
|
North |
13.8 mph
|
24.2 mph
|
N/A |
|
Mostly Cloudy |
| 2:01 PM |
84.2 °F
|
66.2 °F
|
55% |
29.87 in
|
10.0 miles
|
North |
15.0 mph
|
-
|
N/A |
Thunderstorm
|
Thunderstorm |
| 2:15 PM |
84.2 °F
|
66.2 °F
|
55% |
29.87 in
|
10.0 miles
|
NNW |
23.0 mph
|
33.4 mph
|
N/A |
Thunderstorm
|
Thunderstorm |
| 2:20 PM |
80.6 °F
|
69.8 °F
|
70% |
29.87 in
|
4.0 miles
|
North |
18.4 mph
|
33.4 mph
|
0.00 in
|
Rain
,
Thunderstorm
|
Light Thunderstorms and Rain |
| 2:52 PM |
75.9 °F
|
71.1 °F
|
85% |
29.90 in
|
1.5 miles
|
WSW |
10.4 mph
|
-
|
0.37 in
|
Rain
,
Thunderstorm
|
Heavy Thunderstorms and Rain |
| 3:04 PM |
77.0 °F
|
69.8 °F
|
78% |
29.89 in
|
3.0 miles
|
West |
13.8 mph
|
20.7 mph
|
0.28 in
|
Rain
,
Thunderstorm
|
Heavy Thunderstorms and Rain |
| 3:18 PM |
77.0 °F
|
69.8 °F
|
78% |
29.87 in
|
7.0 miles
|
WSW |
9.2 mph
|
-
|
0.33 in
|
Rain
,
Thunderstorm
|
Heavy Thunderstorms and Rain |
| 3:52 PM |
79.0 °F
|
70.0 °F
|
74% |
29.84 in
|
10.0 miles
|
NNW |
4.6 mph
|
-
|
0.33 in
|
|
Overcast |
| 4:21 PM |
80.6 °F
|
71.6 °F
|
74% |
29.82 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 4:52 PM |
79.0 °F
|
72.0 °F
|
79% |
29.85 in
|
10.0 miles
|
South |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 5:52 PM |
81.0 °F
|
72.0 °F
|
74% |
29.84 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 6:52 PM |
82.0 °F
|
73.0 °F
|
74% |
29.83 in
|
10.0 miles
|
SSE |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:21 PM |
82.4 °F
|
73.4 °F
|
74% |
29.84 in
|
10.0 miles
|
North |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 PM |
82.0 °F
|
66.9 °F
|
60% |
29.84 in
|
10.0 miles
|
East |
3.5 mph
|
-
|
0.00 in
|
|
Mostly Cloudy |
| 8:14 PM |
80.6 °F
|
68.0 °F
|
65% |
29.86 in
|
10.0 miles
|
NNW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:18 PM |
80.6 °F
|
68.0 °F
|
65% |
29.86 in
|
10.0 miles
|
North |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:38 PM |
80.6 °F
|
69.8 °F
|
70% |
29.86 in
|
10.0 miles
|
North |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 PM |
81.0 °F
|
69.1 °F
|
67% |
29.87 in
|
10.0 miles
|
North |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:23 PM |
82.4 °F
|
71.6 °F
|
70% |
29.87 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 9:52 PM |
81.0 °F
|
72.0 °F
|
74% |
29.89 in
|
10.0 miles
|
NNE |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:41 PM |
82.4 °F
|
71.6 °F
|
70% |
29.89 in
|
10.0 miles
|
NW |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 10:52 PM |
82.0 °F
|
72.0 °F
|
71% |
29.89 in
|
10.0 miles
|
WNW |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 11:52 PM |
80.1 °F
|
64.0 °F
|
58% |
29.90 in
|
10.0 miles
|
NNW |
11.5 mph
|
-
|
N/A |
|
Scattered Clouds |
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