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History for Washington, DC
Monday, July 6, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
74 °F
|
79 °F
|
|
| Max Temperature |
85 °F
|
88 °F
|
103 °F
(1999) |
| Min Temperature |
63 °F
|
69 °F
|
57 °F
(1979) |
| 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 |
9 |
14 |
|
| Month to date cooling degree days |
47 |
83 |
|
| Year to date cooling degree days |
449 |
519 |
|
| Since 1 June cooling degree days |
319 |
387 |
|
| Growing Degree Days | 23 (Base 50) |
|
|
| Moisture |
| Dew Point |
57 °F
|
|
|
| Average Humidity |
62 |
|
|
| Maximum Humidity |
90 |
|
|
| Minimum Humidity |
34 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.12 in
|
1.26 in
(1971) |
| Month to date precipitation |
0.12 |
0.67 |
|
| Year to date precipitation |
23.25 |
19.83 |
|
| 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 |
29.80 in
|
|
|
| Wind |
| Wind Speed |
5 mph
(NW) |
|
|
| Max Wind Speed |
14 mph
|
|
|
| Max Gust Speed |
26 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 |
64.9 °F
|
59.0 °F
|
81% |
29.84 in
|
10.0 miles
|
West |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 AM |
64.9 °F
|
59.0 °F
|
81% |
29.83 in
|
10.0 miles
|
NW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 AM |
64.0 °F
|
59.0 °F
|
84% |
29.83 in
|
10.0 miles
|
NNW |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 3:52 AM |
63.0 °F
|
57.9 °F
|
84% |
29.81 in
|
10.0 miles
|
North |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 4:52 AM |
62.6 °F
|
59.0 °F
|
88% |
29.80 in
|
10.0 miles
|
NNW |
6.9 mph
|
-
|
N/A |
|
Partly Cloudy |
| 5:52 AM |
63.0 °F
|
57.9 °F
|
84% |
29.81 in
|
10.0 miles
|
NW |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
| 6:52 AM |
64.0 °F
|
59.0 °F
|
84% |
29.82 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Partly Cloudy |
| 7:52 AM |
68.0 °F
|
59.0 °F
|
73% |
29.83 in
|
10.0 miles
|
NNW |
4.6 mph
|
-
|
N/A |
|
Clear |
| 8:52 AM |
71.1 °F
|
59.0 °F
|
66% |
29.83 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 9:52 AM |
73.9 °F
|
57.9 °F
|
57% |
29.83 in
|
10.0 miles
|
Variable |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 10:52 AM |
75.9 °F
|
57.0 °F
|
52% |
29.82 in
|
10.0 miles
|
East |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 11:52 AM |
80.1 °F
|
53.1 °F
|
39% |
29.81 in
|
10.0 miles
|
NE |
5.8 mph
|
-
|
N/A |
|
Partly Cloudy |
| 12:52 PM |
82.0 °F
|
53.1 °F
|
37% |
29.81 in
|
10.0 miles
|
NNW |
6.9 mph
|
-
|
N/A |
|
Partly Cloudy |
| 1:52 PM |
82.9 °F
|
55.0 °F
|
38% |
29.80 in
|
10.0 miles
|
Variable |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 2:52 PM |
84.9 °F
|
54.0 °F
|
34% |
29.78 in
|
10.0 miles
|
NW |
12.7 mph
|
18.4 mph
|
N/A |
|
Partly Cloudy |
| 3:52 PM |
84.0 °F
|
53.1 °F
|
34% |
29.77 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Partly Cloudy |
| 4:52 PM |
84.0 °F
|
55.9 °F
|
38% |
29.76 in
|
10.0 miles
|
West |
8.1 mph
|
-
|
N/A |
|
Partly Cloudy |
| 5:52 PM |
82.9 °F
|
55.0 °F
|
38% |
29.76 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Scattered Clouds |
| 6:52 PM |
82.9 °F
|
54.0 °F
|
37% |
29.76 in
|
10.0 miles
|
Variable |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 PM |
80.1 °F
|
52.0 °F
|
38% |
29.77 in
|
10.0 miles
|
WNW |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
| 8:52 PM |
75.9 °F
|
60.1 °F
|
58% |
29.78 in
|
10.0 miles
|
SE |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:52 PM |
75.0 °F
|
59.0 °F
|
57% |
29.80 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:52 PM |
73.9 °F
|
59.0 °F
|
59% |
29.80 in
|
10.0 miles
|
South |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 11:52 PM |
72.0 °F
|
61.0 °F
|
68% |
29.81 in
|
10.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
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