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History for Washington, DC
Sunday, June 28, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
73 °F
|
77 °F
|
|
| Max Temperature |
77 °F
|
87 °F
|
100 °F
(1969) |
| Min Temperature |
68 °F
|
68 °F
|
54 °F
(1927) |
| 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 |
8 |
13 |
|
| Month to date cooling degree days |
250 |
278 |
|
| Year to date cooling degree days |
380 |
410 |
|
| Since 1 June cooling degree days |
250 |
278 |
|
| Growing Degree Days | 22 (Base 50) |
|
|
| Moisture |
| Dew Point |
61 °F
|
|
|
| Average Humidity |
67 |
|
|
| Maximum Humidity |
79 |
|
|
| Minimum Humidity |
54 |
|
|
| Precipitation |
| Precipitation |
T in
|
0.11 in
|
2.95 in
(1914) |
| Month to date precipitation |
5.84 |
2.91 |
|
| Year to date precipitation |
23.11 |
18.94 |
|
| 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 |
29.71 in
|
|
|
| Wind |
| Wind Speed |
5 mph
(WNW) |
|
|
| Max Wind Speed |
14 mph
|
|
|
| Max Gust Speed |
16 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 |
75.0 °F
|
60.1 °F
|
60% |
29.76 in
|
10.0 miles
|
West |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 AM |
72.0 °F
|
61.0 °F
|
68% |
29.77 in
|
10.0 miles
|
NNW |
12.7 mph
|
-
|
N/A |
|
Scattered Clouds |
| 2:52 AM |
71.1 °F
|
61.0 °F
|
70% |
29.77 in
|
10.0 miles
|
NNW |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 3:52 AM |
69.1 °F
|
61.0 °F
|
75% |
29.76 in
|
10.0 miles
|
North |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 4:52 AM |
70.0 °F
|
57.9 °F
|
65% |
29.76 in
|
10.0 miles
|
NNE |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 5:52 AM |
70.0 °F
|
57.0 °F
|
63% |
29.77 in
|
10.0 miles
|
NNW |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
70.0 °F
|
60.1 °F
|
71% |
29.77 in
|
10.0 miles
|
North |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 AM |
72.0 °F
|
59.0 °F
|
64% |
29.76 in
|
10.0 miles
|
North |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
73.9 °F
|
57.9 °F
|
57% |
29.75 in
|
10.0 miles
|
Variable |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:52 AM |
75.0 °F
|
59.0 °F
|
57% |
29.75 in
|
10.0 miles
|
NNW |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 11:52 AM |
75.0 °F
|
61.0 °F
|
62% |
29.75 in
|
10.0 miles
|
West |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 12:52 PM |
75.0 °F
|
59.0 °F
|
57% |
29.75 in
|
10.0 miles
|
West |
6.9 mph
|
-
|
N/A |
|
Overcast |
| 1:52 PM |
75.9 °F
|
57.9 °F
|
54% |
29.71 in
|
10.0 miles
|
West |
8.1 mph
|
-
|
0.00 in
|
|
Overcast |
| 2:52 PM |
75.0 °F
|
61.0 °F
|
62% |
29.69 in
|
10.0 miles
|
WSW |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 3:52 PM |
75.9 °F
|
60.1 °F
|
58% |
29.68 in
|
10.0 miles
|
Variable |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 4:52 PM |
75.9 °F
|
62.1 °F
|
62% |
29.68 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 5:52 PM |
73.9 °F
|
63.0 °F
|
68% |
29.66 in
|
10.0 miles
|
South |
4.6 mph
|
-
|
0.00 in
|
|
Overcast |
| 6:52 PM |
73.9 °F
|
64.0 °F
|
71% |
29.64 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Overcast |
| 7:52 PM |
73.9 °F
|
64.0 °F
|
71% |
29.62 in
|
10.0 miles
|
SSE |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 8:52 PM |
73.0 °F
|
64.0 °F
|
73% |
29.62 in
|
10.0 miles
|
South |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:52 PM |
71.1 °F
|
64.0 °F
|
78% |
29.62 in
|
10.0 miles
|
SSW |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 10:52 PM |
71.1 °F
|
64.0 °F
|
78% |
29.63 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Scattered Clouds |
| 11:52 PM |
71.1 °F
|
64.0 °F
|
78% |
29.62 in
|
10.0 miles
|
SSW |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
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