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History for Washington, DC
Saturday, June 27, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
77 °F
|
77 °F
|
|
| Max Temperature |
84 °F
|
86 °F
|
99 °F
(2010) |
| Min Temperature |
70 °F
|
68 °F
|
57 °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 |
12 |
13 |
|
| Month to date cooling degree days |
242 |
265 |
|
| Year to date cooling degree days |
372 |
397 |
|
| Since 1 June cooling degree days |
242 |
265 |
|
| Growing Degree Days | 26 (Base 50) |
|
|
| Moisture |
| Dew Point |
60 °F
|
|
|
| Average Humidity |
63 |
|
|
| Maximum Humidity |
79 |
|
|
| Minimum Humidity |
46 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.11 in
|
2.59 in
(1881) |
| Month to date precipitation |
5.84 |
2.80 |
|
| Year to date precipitation |
23.11 |
18.83 |
|
| 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 |
29.77 in
|
|
|
| Wind |
| Wind Speed |
10 mph
(NNW) |
|
|
| Max Wind Speed |
23 mph
|
|
|
| Max Gust Speed |
29 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 |
75.9 °F
|
68.0 °F
|
76% |
29.75 in
|
10.0 miles
|
West |
11.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 AM |
75.0 °F
|
64.9 °F
|
71% |
29.74 in
|
10.0 miles
|
NW |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 AM |
73.9 °F
|
63.0 °F
|
68% |
29.73 in
|
10.0 miles
|
NW |
15.0 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 3:52 AM |
73.0 °F
|
63.0 °F
|
71% |
29.75 in
|
10.0 miles
|
NW |
10.4 mph
|
-
|
N/A |
|
Partly Cloudy |
| 4:52 AM |
72.0 °F
|
62.1 °F
|
71% |
29.75 in
|
10.0 miles
|
NW |
3.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 5:52 AM |
71.1 °F
|
60.1 °F
|
68% |
29.77 in
|
10.0 miles
|
NNW |
11.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 6:52 AM |
71.1 °F
|
59.0 °F
|
66% |
29.78 in
|
10.0 miles
|
NW |
12.7 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 AM |
73.0 °F
|
57.9 °F
|
59% |
29.78 in
|
10.0 miles
|
NW |
11.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 8:52 AM |
73.9 °F
|
59.0 °F
|
59% |
29.80 in
|
10.0 miles
|
NW |
12.7 mph
|
21.9 mph
|
N/A |
|
Scattered Clouds |
| 9:52 AM |
75.0 °F
|
60.1 °F
|
60% |
29.80 in
|
10.0 miles
|
North |
13.8 mph
|
-
|
N/A |
|
Partly Cloudy |
| 10:52 AM |
79.0 °F
|
62.1 °F
|
56% |
29.78 in
|
10.0 miles
|
North |
12.7 mph
|
-
|
N/A |
|
Partly Cloudy |
| 11:52 AM |
80.1 °F
|
61.0 °F
|
52% |
29.79 in
|
10.0 miles
|
North |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 12:52 PM |
82.0 °F
|
59.0 °F
|
45% |
29.78 in
|
10.0 miles
|
NW |
12.7 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 PM |
81.0 °F
|
60.1 °F
|
49% |
29.78 in
|
10.0 miles
|
NW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 PM |
82.9 °F
|
60.1 °F
|
46% |
29.77 in
|
10.0 miles
|
NW |
9.2 mph
|
20.7 mph
|
N/A |
|
Mostly Cloudy |
| 3:52 PM |
82.9 °F
|
59.0 °F
|
44% |
29.77 in
|
10.0 miles
|
NNW |
17.3 mph
|
24.2 mph
|
N/A |
|
Scattered Clouds |
| 4:52 PM |
82.9 °F
|
59.0 °F
|
44% |
29.77 in
|
10.0 miles
|
North |
12.7 mph
|
19.6 mph
|
N/A |
|
Scattered Clouds |
| 5:52 PM |
82.9 °F
|
59.0 °F
|
44% |
29.77 in
|
10.0 miles
|
North |
12.7 mph
|
18.4 mph
|
N/A |
|
Scattered Clouds |
| 6:52 PM |
82.0 °F
|
59.0 °F
|
45% |
29.77 in
|
10.0 miles
|
North |
10.4 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 PM |
80.1 °F
|
59.0 °F
|
48% |
29.76 in
|
10.0 miles
|
North |
11.5 mph
|
-
|
N/A |
|
Partly Cloudy |
| 8:52 PM |
78.1 °F
|
57.9 °F
|
50% |
29.76 in
|
10.0 miles
|
North |
9.2 mph
|
-
|
N/A |
|
Partly Cloudy |
| 9:52 PM |
77.0 °F
|
57.9 °F
|
52% |
29.77 in
|
10.0 miles
|
NNW |
5.8 mph
|
-
|
N/A |
|
Partly Cloudy |
| 10:52 PM |
77.0 °F
|
57.9 °F
|
52% |
29.76 in
|
10.0 miles
|
NW |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 11:52 PM |
75.9 °F
|
59.0 °F
|
56% |
29.76 in
|
10.0 miles
|
WNW |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
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