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History for Washington, DC
Friday, June 19, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
74 °F
|
75 °F
|
|
| Max Temperature |
84 °F
|
85 °F
|
99 °F
(1994) |
| Min Temperature |
64 °F
|
66 °F
|
51 °F
(1909) |
| 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 |
9 |
11 |
|
| Month to date cooling degree days |
138 |
170 |
|
| Year to date cooling degree days |
268 |
302 |
|
| Since 1 June cooling degree days |
138 |
170 |
|
| Growing Degree Days | 23 (Base 50) |
|
|
| Moisture |
| Dew Point |
63 °F
|
|
|
| Average Humidity |
71 |
|
|
| Maximum Humidity |
87 |
|
|
| Minimum Humidity |
55 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.10 in
|
2.01 in
(1944) |
| Month to date precipitation |
5.07 |
1.99 |
|
| Year to date precipitation |
22.34 |
18.02 |
|
| 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 |
29.83 in
|
|
|
| Wind |
| Wind Speed |
7 mph
(NW) |
|
|
| Max Wind Speed |
17 mph
|
|
|
| Max Gust Speed |
22 mph
|
|
|
| Visibility |
9 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 |
69.1 °F
|
60.1 °F
|
73% |
29.83 in
|
10.0 miles
|
NNW |
4.6 mph
|
-
|
N/A |
|
Clear |
| 1:52 AM |
69.1 °F
|
62.1 °F
|
78% |
29.83 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 2:52 AM |
66.0 °F
|
61.0 °F
|
84% |
29.83 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 3:52 AM |
66.0 °F
|
61.0 °F
|
84% |
29.82 in
|
9.0 miles
|
North |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 4:52 AM |
64.9 °F
|
60.1 °F
|
84% |
29.83 in
|
9.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Partly Cloudy |
| 5:52 AM |
64.9 °F
|
59.0 °F
|
81% |
29.85 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
66.0 °F
|
59.0 °F
|
78% |
29.84 in
|
10.0 miles
|
NNW |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 AM |
70.0 °F
|
59.0 °F
|
68% |
29.85 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 AM |
72.0 °F
|
59.0 °F
|
64% |
29.86 in
|
10.0 miles
|
NNW |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
73.9 °F
|
59.0 °F
|
59% |
29.88 in
|
10.0 miles
|
NNW |
16.1 mph
|
20.7 mph
|
N/A |
|
Mostly Cloudy |
| 10:52 AM |
75.9 °F
|
60.1 °F
|
58% |
29.88 in
|
10.0 miles
|
NW |
13.8 mph
|
18.4 mph
|
N/A |
|
Overcast |
| 11:52 AM |
77.0 °F
|
62.1 °F
|
60% |
29.88 in
|
10.0 miles
|
NNW |
13.8 mph
|
17.3 mph
|
N/A |
|
Overcast |
| 12:52 PM |
78.1 °F
|
63.0 °F
|
60% |
29.88 in
|
10.0 miles
|
NW |
12.7 mph
|
-
|
N/A |
|
Overcast |
| 1:52 PM |
81.0 °F
|
64.9 °F
|
58% |
29.82 in
|
10.0 miles
|
NNW |
6.9 mph
|
16.1 mph
|
N/A |
|
Overcast |
| 2:52 PM |
81.0 °F
|
64.9 °F
|
58% |
29.78 in
|
9.0 miles
|
WNW |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 3:52 PM |
82.0 °F
|
64.9 °F
|
56% |
29.80 in
|
9.0 miles
|
West |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 4:52 PM |
82.9 °F
|
64.9 °F
|
54% |
29.79 in
|
10.0 miles
|
NNW |
11.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 5:52 PM |
82.9 °F
|
66.0 °F
|
56% |
29.79 in
|
9.0 miles
|
Variable |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 PM |
82.0 °F
|
64.0 °F
|
54% |
29.79 in
|
9.0 miles
|
WNW |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 PM |
77.0 °F
|
69.1 °F
|
76% |
29.79 in
|
8.0 miles
|
South |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 8:52 PM |
79.0 °F
|
66.9 °F
|
66% |
29.81 in
|
8.0 miles
|
SW |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 9:52 PM |
75.9 °F
|
68.0 °F
|
76% |
29.81 in
|
9.0 miles
|
South |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 10:52 PM |
75.0 °F
|
68.0 °F
|
79% |
29.81 in
|
8.0 miles
|
SSE |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 11:52 PM |
73.9 °F
|
68.0 °F
|
82% |
29.78 in
|
7.0 miles
|
SSW |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
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