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History for Washington, DC
Monday, November 9, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
59 °F
|
52 °F
|
|
| Max Temperature |
71 °F
|
61 °F
|
79 °F
(1994) |
| Min Temperature |
47 °F
|
43 °F
|
26 °F
(1976) |
| Degree Days |
| Heating Degree Days |
6 |
13 |
|
| Month to date heating degree days |
109 |
108 |
|
| Since 1 July heating degree days |
325 |
337 |
|
| Cooling Degree Days |
0 |
0 |
|
| Month to date cooling degree days |
0 |
0 |
|
| Year to date cooling degree days |
1433 |
1547 |
|
| Growing Degree Days | 7 (Base 50) |
|
|
| Moisture |
| Dew Point |
47 °F
|
|
|
| Average Humidity |
68 |
|
|
| Maximum Humidity |
93 |
|
|
| Minimum Humidity |
42 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.10 in
|
1.40 in
(1889) |
| Month to date precipitation |
0.56 |
0.99 |
|
| Year to date precipitation |
36.24 |
34.51 |
|
| Snow |
| Snow |
0.00 in
|
0.00 in
|
0.50 in
(1990) |
| Month to date snowfall |
0.0 |
0.1 |
|
| Since 1 July snowfall |
0.0 |
0.1 |
|
| Snow Depth |
0.00 in
|
|
|
| Sea Level Pressure |
| Sea Level Pressure |
30.37 in
|
|
|
| Wind |
| Wind Speed |
3 mph
(South) |
|
|
| Max Wind Speed |
9 mph
|
|
|
| Max Gust Speed |
10 mph
|
|
|
| Visibility |
8 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 |
51.1 °F
|
46.9 °F
|
86% |
30.38 in
|
8.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 1:52 AM |
50.0 °F
|
46.9 °F
|
89% |
30.38 in
|
6.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 2:52 AM |
50.0 °F
|
46.0 °F
|
86% |
30.38 in
|
7.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 3:52 AM |
48.9 °F
|
46.0 °F
|
90% |
30.39 in
|
6.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 4:52 AM |
48.0 °F
|
45.0 °F
|
89% |
30.40 in
|
7.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 5:52 AM |
46.9 °F
|
44.1 °F
|
90% |
30.40 in
|
7.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Clear |
| 6:52 AM |
48.9 °F
|
46.0 °F
|
90% |
30.43 in
|
5.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Partly Cloudy |
| 7:52 AM |
50.0 °F
|
46.9 °F
|
89% |
30.44 in
|
4.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Partly Cloudy |
| 8:52 AM |
53.1 °F
|
48.9 °F
|
86% |
30.43 in
|
5.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Partly Cloudy |
| 9:52 AM |
55.0 °F
|
48.9 °F
|
80% |
30.43 in
|
6.0 miles
|
SSE |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 10:52 AM |
63.0 °F
|
46.9 °F
|
56% |
30.42 in
|
10.0 miles
|
SSE |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 11:52 AM |
66.0 °F
|
44.1 °F
|
45% |
30.38 in
|
10.0 miles
|
South |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 12:52 PM |
68.0 °F
|
45.0 °F
|
43% |
30.34 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Overcast |
| 1:52 PM |
68.0 °F
|
48.0 °F
|
49% |
30.34 in
|
10.0 miles
|
South |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 2:52 PM |
66.9 °F
|
48.9 °F
|
52% |
30.34 in
|
10.0 miles
|
South |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 3:52 PM |
66.0 °F
|
48.0 °F
|
52% |
30.33 in
|
10.0 miles
|
South |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 4:52 PM |
63.0 °F
|
48.0 °F
|
58% |
30.33 in
|
10.0 miles
|
South |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 5:52 PM |
64.9 °F
|
46.9 °F
|
52% |
30.33 in
|
10.0 miles
|
South |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 6:52 PM |
62.1 °F
|
48.0 °F
|
60% |
30.33 in
|
10.0 miles
|
SSW |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 7:52 PM |
60.1 °F
|
48.9 °F
|
67% |
30.34 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 8:52 PM |
57.0 °F
|
50.0 °F
|
77% |
30.34 in
|
10.0 miles
|
South |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 9:52 PM |
57.0 °F
|
48.9 °F
|
74% |
30.33 in
|
10.0 miles
|
South |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 10:52 PM |
55.0 °F
|
50.0 °F
|
83% |
30.32 in
|
10.0 miles
|
South |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 11:52 PM |
57.0 °F
|
48.0 °F
|
72% |
30.32 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
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