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History for Washington, DC
Wednesday, November 4, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
47 °F
|
54 °F
|
|
| Max Temperature |
54 °F
|
62 °F
|
84 °F
(1974) |
| Min Temperature |
39 °F
|
45 °F
|
26 °F
(1879) |
| Degree Days |
| Heating Degree Days |
18 |
12 |
|
| Month to date heating degree days |
48 |
45 |
|
| Since 1 July heating degree days |
264 |
274 |
|
| Cooling Degree Days |
0 |
0 |
|
| Month to date cooling degree days |
0 |
0 |
|
| Year to date cooling degree days |
1433 |
1547 |
|
| Moisture |
| Dew Point |
31 °F
|
|
|
| Average Humidity |
53 |
|
|
| Maximum Humidity |
65 |
|
|
| Minimum Humidity |
41 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.11 in
|
2.30 in
(1970) |
| Month to date precipitation |
0.55 |
0.45 |
|
| Year to date precipitation |
36.23 |
33.97 |
|
| Snow |
| Snow |
0.00 in
|
0.00 in
|
4.00 in
(1910) |
| 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 |
30.30 in
|
|
|
| Wind |
| Wind Speed |
5 mph
(SSW) |
|
|
| Max Wind Speed |
12 mph
|
|
|
| Max Gust Speed |
13 mph
|
|
|
| Visibility |
10 miles
|
|
|
| Events |
|
|
|
|
| Key: T is trace of precipitation, MM is missing value |
|
Source: NWS Daily Summary |
| Time(EST) | Temperature | Dew Point | Humidity | Sea Level Pressure | Visibility | Wind Direction | Wind Speed | Gust Speed | Precipitation | Events | Conditions |
|---|
| 12:52 AM |
46.9 °F
|
27.0 °F
|
46% |
30.32 in
|
10.0 miles
|
NW |
9.2 mph
|
-
|
N/A |
|
Clear |
| 1:52 AM |
44.1 °F
|
27.0 °F
|
51% |
30.33 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Clear |
| 2:52 AM |
42.1 °F
|
28.0 °F
|
58% |
30.32 in
|
10.0 miles
|
NNW |
10.4 mph
|
-
|
N/A |
|
Clear |
| 3:52 AM |
41.0 °F
|
30.0 °F
|
65% |
30.33 in
|
10.0 miles
|
NNW |
9.2 mph
|
-
|
N/A |
|
Clear |
| 4:52 AM |
41.0 °F
|
28.0 °F
|
60% |
30.34 in
|
10.0 miles
|
NNW |
9.2 mph
|
-
|
N/A |
|
Clear |
| 5:52 AM |
41.0 °F
|
27.0 °F
|
57% |
30.37 in
|
10.0 miles
|
NW |
5.8 mph
|
-
|
N/A |
|
Clear |
| 6:52 AM |
39.0 °F
|
28.9 °F
|
67% |
30.38 in
|
10.0 miles
|
West |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 7:52 AM |
44.1 °F
|
30.0 °F
|
58% |
30.40 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Scattered Clouds |
| 8:52 AM |
48.0 °F
|
30.9 °F
|
52% |
30.39 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 9:52 AM |
50.0 °F
|
30.0 °F
|
46% |
30.38 in
|
10.0 miles
|
NE |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 10:52 AM |
51.1 °F
|
28.0 °F
|
41% |
30.38 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 11:52 AM |
52.0 °F
|
28.0 °F
|
40% |
30.34 in
|
10.0 miles
|
SSW |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 12:52 PM |
52.0 °F
|
28.9 °F
|
41% |
30.31 in
|
10.0 miles
|
South |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 1:52 PM |
53.1 °F
|
30.9 °F
|
43% |
30.27 in
|
10.0 miles
|
South |
6.9 mph
|
-
|
N/A |
|
Overcast |
| 2:17 PM |
53.6 °F
|
30.2 °F
|
41% |
30.27 in
|
10.0 miles
|
South |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 2:52 PM |
53.1 °F
|
30.9 °F
|
43% |
30.26 in
|
10.0 miles
|
SSE |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 3:52 PM |
53.1 °F
|
30.0 °F
|
41% |
30.26 in
|
10.0 miles
|
SW |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 4:52 PM |
53.1 °F
|
30.0 °F
|
41% |
30.24 in
|
10.0 miles
|
SSW |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 5:52 PM |
52.0 °F
|
33.1 °F
|
49% |
30.22 in
|
10.0 miles
|
SSE |
4.6 mph
|
-
|
0.00 in
|
|
Overcast |
| 6:52 PM |
51.1 °F
|
34.0 °F
|
52% |
30.24 in
|
10.0 miles
|
East |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 PM |
51.1 °F
|
35.1 °F
|
54% |
30.23 in
|
10.0 miles
|
SE |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 PM |
50.0 °F
|
36.0 °F
|
59% |
30.24 in
|
10.0 miles
|
SE |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 9:52 PM |
51.1 °F
|
37.0 °F
|
59% |
30.24 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 10:52 PM |
51.1 °F
|
37.0 °F
|
59% |
30.23 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 11:52 PM |
50.0 °F
|
37.9 °F
|
63% |
30.22 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
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