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History for Washington, DC
Monday, July 27, 2009
Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
80 °F
|
80 °F
|
|
| Max Temperature |
88 °F
|
89 °F
|
100 °F
(1940) |
| Min Temperature |
72 °F
|
71 °F
|
55 °F
(1920) |
| 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 |
15 |
15 |
|
| Month to date cooling degree days |
313 |
396 |
|
| Year to date cooling degree days |
715 |
832 |
|
| Since 1 June cooling degree days |
585 |
700 |
|
| Growing Degree Days | 29 (Base 50) |
|
|
| Moisture |
| Dew Point |
68 °F
|
|
|
| Average Humidity |
70 |
|
|
| Maximum Humidity |
93 |
|
|
| Minimum Humidity |
46 |
|
|
| Precipitation |
| Precipitation |
T in
|
0.12 in
|
2.32 in
(1873) |
| Month to date precipitation |
0.89 |
3.19 |
|
| Year to date precipitation |
24.02 |
22.35 |
|
| 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 |
29.96 in
|
|
|
| Wind |
| Wind Speed |
10 mph
(South) |
|
|
| Max Wind Speed |
15 mph
|
|
|
| Max Gust Speed |
20 mph
|
|
|
| Visibility |
10 miles
|
|
|
| Events |
Rain
|
|
|
|
| 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 |
77.0 °F
|
69.1 °F
|
76% |
29.92 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 AM |
75.9 °F
|
69.1 °F
|
79% |
29.91 in
|
10.0 miles
|
South |
9.2 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 2:52 AM |
75.0 °F
|
69.1 °F
|
82% |
29.93 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
0.00 in
|
|
Scattered Clouds |
| 3:52 AM |
73.9 °F
|
69.1 °F
|
85% |
29.94 in
|
10.0 miles
|
South |
12.7 mph
|
-
|
N/A |
|
Overcast |
| 4:49 AM |
73.4 °F
|
69.8 °F
|
88% |
29.97 in
|
7.0 miles
|
South |
12.7 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 4:52 AM |
73.0 °F
|
69.1 °F
|
87% |
29.97 in
|
7.0 miles
|
South |
10.4 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 5:45 AM |
71.6 °F
|
69.8 °F
|
94% |
29.94 in
|
9.0 miles
|
SSW |
5.8 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 5:52 AM |
72.0 °F
|
69.1 °F
|
91% |
29.94 in
|
9.0 miles
|
SSW |
9.2 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 6:07 AM |
73.4 °F
|
69.8 °F
|
88% |
29.95 in
|
9.0 miles
|
South |
9.2 mph
|
-
|
0.00 in
|
|
Overcast |
| 6:52 AM |
72.0 °F
|
68.0 °F
|
87% |
29.97 in
|
10.0 miles
|
SSW |
11.5 mph
|
-
|
0.00 in
|
|
Overcast |
| 7:41 AM |
73.4 °F
|
69.8 °F
|
88% |
29.97 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Overcast |
| 7:52 AM |
73.0 °F
|
69.1 °F
|
87% |
29.98 in
|
10.0 miles
|
SSW |
8.1 mph
|
-
|
N/A |
|
Overcast |
| 8:17 AM |
73.4 °F
|
69.8 °F
|
88% |
29.98 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Overcast |
| 8:28 AM |
73.4 °F
|
69.8 °F
|
88% |
29.98 in
|
10.0 miles
|
SSW |
10.4 mph
|
-
|
N/A |
|
Overcast |
| 8:52 AM |
75.0 °F
|
69.1 °F
|
82% |
29.98 in
|
10.0 miles
|
SW |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
77.0 °F
|
68.0 °F
|
74% |
29.99 in
|
10.0 miles
|
SSW |
9.2 mph
|
-
|
N/A |
|
Scattered Clouds |
| 10:52 AM |
80.1 °F
|
69.1 °F
|
69% |
29.99 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 11:52 AM |
82.0 °F
|
69.1 °F
|
65% |
29.99 in
|
10.0 miles
|
SSE |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 12:52 PM |
84.0 °F
|
69.1 °F
|
61% |
29.99 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 PM |
82.9 °F
|
68.0 °F
|
60% |
29.98 in
|
10.0 miles
|
South |
12.7 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 PM |
86.0 °F
|
66.9 °F
|
53% |
29.96 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Scattered Clouds |
| 3:10 PM |
86.0 °F
|
66.2 °F
|
51% |
29.95 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Scattered Clouds |
| 3:52 PM |
87.1 °F
|
64.9 °F
|
48% |
29.93 in
|
10.0 miles
|
SSE |
9.2 mph
|
-
|
N/A |
|
Scattered Clouds |
| 4:52 PM |
84.9 °F
|
64.0 °F
|
49% |
29.92 in
|
10.0 miles
|
South |
11.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 5:52 PM |
84.9 °F
|
66.0 °F
|
53% |
29.92 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 PM |
84.9 °F
|
66.9 °F
|
55% |
29.94 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 PM |
82.9 °F
|
69.1 °F
|
63% |
29.95 in
|
10.0 miles
|
South |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:14 PM |
82.4 °F
|
66.2 °F
|
58% |
29.95 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
0.00 in
|
|
Mostly Cloudy |
| 8:52 PM |
81.0 °F
|
68.0 °F
|
65% |
29.95 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
0.00 in
|
|
Mostly Cloudy |
| 9:52 PM |
78.1 °F
|
70.0 °F
|
76% |
29.97 in
|
10.0 miles
|
South |
11.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:52 PM |
75.9 °F
|
68.0 °F
|
76% |
29.97 in
|
10.0 miles
|
South |
11.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 11:52 PM |
75.9 °F
|
68.0 °F
|
76% |
29.97 in
|
10.0 miles
|
SSW |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
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