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History for Washington, DC
Friday, July 3, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
71 °F
|
78 °F
|
|
| Max Temperature |
78 °F
|
87 °F
|
101 °F
(1966) |
| Min Temperature |
64 °F
|
69 °F
|
53 °F
(1918) |
| 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 |
6 |
14 |
|
| Month to date cooling degree days |
25 |
41 |
|
| Year to date cooling degree days |
427 |
477 |
|
| Since 1 June cooling degree days |
297 |
345 |
|
| Growing Degree Days | 20 (Base 50) |
|
|
| Moisture |
| Dew Point |
56 °F
|
|
|
| Average Humidity |
59 |
|
|
| Maximum Humidity |
67 |
|
|
| Minimum Humidity |
50 |
|
|
| Precipitation |
| Precipitation |
0.02 in
|
0.11 in
|
1.72 in
(1978) |
| Month to date precipitation |
0.12 |
0.33 |
|
| Year to date precipitation |
23.25 |
19.49 |
|
| 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 |
29.94 in
|
|
|
| Wind |
| Wind Speed |
7 mph
(WNW) |
|
|
| Max Wind Speed |
18 mph
|
|
|
| Max Gust Speed |
25 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 |
68.0 °F
|
53.1 °F
|
59% |
29.91 in
|
10.0 miles
|
WNW |
9.2 mph
|
-
|
N/A |
|
Partly Cloudy |
| 1:52 AM |
66.9 °F
|
53.1 °F
|
61% |
29.90 in
|
10.0 miles
|
West |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 2:52 AM |
64.9 °F
|
54.0 °F
|
68% |
29.90 in
|
10.0 miles
|
West |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 3:52 AM |
64.9 °F
|
53.1 °F
|
65% |
29.90 in
|
10.0 miles
|
West |
6.9 mph
|
-
|
N/A |
|
Partly Cloudy |
| 4:52 AM |
64.0 °F
|
53.1 °F
|
67% |
29.90 in
|
10.0 miles
|
West |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 5:52 AM |
64.9 °F
|
53.1 °F
|
65% |
29.91 in
|
10.0 miles
|
WNW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
66.0 °F
|
54.0 °F
|
65% |
29.93 in
|
10.0 miles
|
WNW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 AM |
66.9 °F
|
54.0 °F
|
63% |
29.94 in
|
10.0 miles
|
West |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 AM |
70.0 °F
|
55.9 °F
|
61% |
29.95 in
|
10.0 miles
|
Variable |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
72.0 °F
|
55.9 °F
|
57% |
29.95 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Overcast |
| 10:52 AM |
73.9 °F
|
57.0 °F
|
55% |
29.96 in
|
10.0 miles
|
NNW |
12.7 mph
|
19.6 mph
|
N/A |
|
Mostly Cloudy |
| 11:52 AM |
75.9 °F
|
57.9 °F
|
54% |
29.96 in
|
10.0 miles
|
NNW |
8.1 mph
|
18.4 mph
|
N/A |
|
Mostly Cloudy |
| 12:52 PM |
75.0 °F
|
57.0 °F
|
53% |
29.95 in
|
10.0 miles
|
NW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 PM |
75.0 °F
|
55.9 °F
|
51% |
29.94 in
|
10.0 miles
|
Calm |
Calm |
-
|
0.00 in
|
|
Overcast |
| 2:52 PM |
73.9 °F
|
59.0 °F
|
59% |
29.94 in
|
10.0 miles
|
West |
3.5 mph
|
-
|
0.02 in
|
|
Overcast |
| 3:52 PM |
75.9 °F
|
57.0 °F
|
52% |
29.93 in
|
10.0 miles
|
NW |
10.4 mph
|
16.1 mph
|
0.00 in
|
|
Overcast |
| 4:52 PM |
75.9 °F
|
57.0 °F
|
52% |
29.92 in
|
10.0 miles
|
WNW |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 5:52 PM |
75.9 °F
|
55.9 °F
|
50% |
29.91 in
|
10.0 miles
|
West |
13.8 mph
|
17.3 mph
|
N/A |
|
Mostly Cloudy |
| 6:52 PM |
77.0 °F
|
57.0 °F
|
50% |
29.92 in
|
10.0 miles
|
West |
10.4 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 PM |
75.0 °F
|
57.0 °F
|
53% |
29.94 in
|
10.0 miles
|
NW |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 8:52 PM |
73.9 °F
|
55.9 °F
|
53% |
29.95 in
|
10.0 miles
|
West |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 9:52 PM |
73.0 °F
|
55.9 °F
|
55% |
29.97 in
|
10.0 miles
|
NW |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 10:52 PM |
72.0 °F
|
55.9 °F
|
57% |
29.99 in
|
10.0 miles
|
West |
8.1 mph
|
-
|
N/A |
|
Partly Cloudy |
| 11:52 PM |
71.1 °F
|
55.9 °F
|
59% |
29.99 in
|
10.0 miles
|
NW |
8.1 mph
|
-
|
N/A |
|
Partly Cloudy |
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