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History for Washington, DC
Wednesday, July 1, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
76 °F
|
78 °F
|
|
| Max Temperature |
84 °F
|
87 °F
|
102 °F
(1901) |
| Min Temperature |
67 °F
|
69 °F
|
54 °F
(1988) |
| 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 |
11 |
13 |
|
| Month to date cooling degree days |
11 |
13 |
|
| Year to date cooling degree days |
413 |
449 |
|
| Since 1 June cooling degree days |
283 |
317 |
|
| Growing Degree Days | 24 (Base 50) |
|
|
| Moisture |
| Dew Point |
64 °F
|
|
|
| Average Humidity |
68 |
|
|
| Maximum Humidity |
93 |
|
|
| Minimum Humidity |
43 |
|
|
| Precipitation |
| Precipitation |
0.04 in
|
0.11 in
|
2.05 in
(1884) |
| Month to date precipitation |
0.04 |
0.11 |
|
| Year to date precipitation |
23.17 |
19.27 |
|
| 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 |
29.70 in
|
|
|
| Wind |
| Wind Speed |
5 mph
(SSW) |
|
|
| Max Wind Speed |
15 mph
|
|
|
| Max Gust Speed |
17 mph
|
|
|
| Visibility |
9 miles
|
|
|
| Events |
Rain
,
Thunderstorm
|
|
|
|
| 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 |
69.1 °F
|
64.0 °F
|
84% |
29.68 in
|
10.0 miles
|
NE |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 1:52 AM |
69.1 °F
|
64.9 °F
|
87% |
29.68 in
|
10.0 miles
|
North |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 AM |
69.1 °F
|
64.9 °F
|
87% |
29.68 in
|
10.0 miles
|
NNE |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 3:52 AM |
69.1 °F
|
64.9 °F
|
87% |
29.67 in
|
9.0 miles
|
NE |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 4:52 AM |
66.9 °F
|
64.0 °F
|
90% |
29.67 in
|
7.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 5:52 AM |
70.0 °F
|
64.9 °F
|
84% |
29.69 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
70.0 °F
|
64.0 °F
|
81% |
29.70 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 7:52 AM |
72.0 °F
|
64.9 °F
|
78% |
29.72 in
|
10.0 miles
|
North |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 AM |
73.0 °F
|
64.9 °F
|
76% |
29.72 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
77.0 °F
|
60.1 °F
|
56% |
29.71 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Scattered Clouds |
| 10:52 AM |
79.0 °F
|
57.9 °F
|
48% |
29.72 in
|
10.0 miles
|
ENE |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 1:52 PM |
82.9 °F
|
61.0 °F
|
47% |
29.70 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 2:52 PM |
82.9 °F
|
60.1 °F
|
46% |
29.68 in
|
10.0 miles
|
SSE |
11.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 4:52 PM |
82.9 °F
|
61.0 °F
|
47% |
29.66 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 5:52 PM |
81.0 °F
|
62.1 °F
|
52% |
29.68 in
|
10.0 miles
|
South |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 PM |
81.0 °F
|
61.0 °F
|
50% |
29.68 in
|
10.0 miles
|
South |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 7:52 PM |
79.0 °F
|
62.1 °F
|
56% |
29.69 in
|
10.0 miles
|
SSW |
8.1 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 8:16 PM |
77.0 °F
|
64.4 °F
|
65% |
29.71 in
|
9.0 miles
|
WSW |
10.4 mph
|
-
|
0.00 in
|
Rain
,
Thunderstorm
|
Light Thunderstorms and Rain |
| 8:42 PM |
73.4 °F
|
66.2 °F
|
78% |
29.74 in
|
6.0 miles
|
SSW |
9.2 mph
|
-
|
0.01 in
|
Rain
,
Thunderstorm
|
Light Thunderstorms and Rain |
| 8:52 PM |
72.0 °F
|
66.0 °F
|
81% |
29.74 in
|
6.0 miles
|
SW |
5.8 mph
|
-
|
0.02 in
|
Rain
,
Thunderstorm
|
Light Thunderstorms and Rain |
| 9:11 PM |
71.6 °F
|
66.2 °F
|
83% |
29.73 in
|
7.0 miles
|
SSE |
4.6 mph
|
-
|
0.01 in
|
Rain
|
Rain |
| 9:44 PM |
71.6 °F
|
66.2 °F
|
83% |
29.73 in
|
10.0 miles
|
West |
5.8 mph
|
-
|
0.02 in
|
|
Scattered Clouds |
| 9:52 PM |
72.0 °F
|
64.9 °F
|
78% |
29.73 in
|
10.0 miles
|
WNW |
5.8 mph
|
-
|
0.02 in
|
|
Scattered Clouds |
| 10:52 PM |
71.1 °F
|
66.0 °F
|
84% |
29.75 in
|
10.0 miles
|
West |
3.5 mph
|
-
|
N/A |
|
Scattered Clouds |
| 11:52 PM |
68.0 °F
|
64.0 °F
|
87% |
29.75 in
|
10.0 miles
|
North |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
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