Washington, DC
on Tuesday, July 22, 2008
| Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
°F
|
80°F
|
|
| Max Temperature |
92°F
|
89°F
|
103°F
(1926) |
| Min Temperature |
76°F
|
71°F
|
53°F
(1890) |
| Degree Days |
| Heating Degree Days |
0 |
0 |
|
| Month to date heating degree days |
0 |
0 |
|
| Since 1 July heating degree days |
0 |
0 |
|
| Cooling Degree Days |
19 |
15 |
|
| Month to date cooling degree days |
357 |
321 |
|
| Year to date cooling degree days |
845 |
757 |
|
| Growing Degree Days | 33 (Base
°F
) | | |
| Moisture |
| Dew Point |
66°F
| | |
| Average Humidity |
56 |
|
|
| Maximum Humidity |
74 |
|
|
| Minimum Humidity |
38 |
|
|
| Precipitation |
| Precipitation |
0.04 in
|
0.12 in
|
4.35 in
(1969) |
| Month to date precipitation |
1.55 |
2.59 |
|
| Year to date precipitation |
30.27 |
21.75 |
|
| Since 1 June precipitation |
6.35 |
5.72 |
|
| Snow |
| Snow |
0.00 in
|
in
|
0.00 in
(0.0) |
| Month to date snowfall |
0.0 |
0.0 |
|
| Since 1 July snowfall |
0.0 |
0.0 |
|
| Snow Depth |
0.00 in
|
| |
| Wind |
| Wind Speed |
6 mph
| | |
| Max Wind Speed |
33 mph
| | |
| Max Gust Speed |
51 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 | Pressure | Visibility | Wind Direction | Wind Speed | Gust Speed | Precipitation | Events | Conditions |
|---|
| 12:52 AM |
82.9°F
|
64.9°F
|
54% |
29.88 in
|
10.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 1:52 AM |
84.0°F
|
63.0°F
|
49% |
29.90 in
|
10.0 miles
|
WNW |
12.7 mph
|
20.7 mph
|
N/A |
|
Mostly Cloudy |
| 2:52 AM |
80.1°F
|
66.0°F
|
62% |
29.88 in
|
10.0 miles
|
WNW |
4.6 mph
|
-
|
0.00 in
|
|
Mostly Cloudy |
| 3:52 AM |
80.1°F
|
66.9°F
|
64% |
29.87 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 4:52 AM |
78.1°F
|
68.0°F
|
71% |
29.87 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Scattered Clouds |
| 5:52 AM |
75.9°F
|
66.9°F
|
74% |
29.89 in
|
10.0 miles
|
NNW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
78.1°F
|
66.9°F
|
68% |
29.91 in
|
10.0 miles
|
North |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 AM |
81.0°F
|
66.0°F
|
60% |
29.92 in
|
10.0 miles
|
North |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 8:52 AM |
84.9°F
|
68.0°F
|
57% |
29.94 in
|
10.0 miles
|
NNE |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
91.0°F
|
66.9°F
|
45% |
29.95 in
|
10.0 miles
|
NNW |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:11 AM |
89.6°F
|
66.2°F
|
46% |
29.96 in
|
10.0 miles
|
NNW |
15.0 mph
|
18.4 mph
|
N/A |
|
Mostly Cloudy |
| 10:16 AM |
87.8°F
|
66.2°F
|
49% |
29.98 in
|
10.0 miles
|
NW |
21.9 mph
|
42.6 mph
|
N/A |
|
Overcast |
| 10:22 AM |
82.4°F
|
66.2°F
|
58% |
30.00 in
|
4.0 miles
|
WNW |
29.9 mph
|
50.6 mph
|
0.00 in
|
Rain
, Thunderstorm
|
Light Thunderstorms and Rain |
| 10:28 AM |
78.8°F
|
69.8°F
|
74% |
30.01 in
|
2.5 miles
|
WNW |
20.7 mph
|
38.0 mph
|
0.00 in
|
Rain
, Thunderstorm
|
Light Thunderstorms and Rain |
| 10:32 AM |
75.2°F
|
69.8°F
|
83% |
30.00 in
|
2.0 miles
|
West |
15.0 mph
|
38.0 mph
|
0.01 in
|
Rain
, Thunderstorm
|
Heavy Thunderstorms and Rain |
| 10:37 AM |
75.2°F
|
69.8°F
|
83% |
29.99 in
|
4.0 miles
|
West |
10.4 mph
|
25.3 mph
|
0.04 in
|
Rain
, Thunderstorm
|
Light Thunderstorms and Rain |
| 10:44 AM |
75.2°F
|
69.8°F
|
83% |
29.98 in
|
8.0 miles
|
WNW |
12.7 mph
|
19.6 mph
|
0.04 in
|
Rain
, Thunderstorm
|
Light Thunderstorms and Rain |
| 10:52 AM |
75.9°F
|
69.1°F
|
79% |
29.97 in
|
10.0 miles
|
West |
6.9 mph
|
19.6 mph
|
0.04 in
|
Rain
, Thunderstorm
|
Light Thunderstorms and Rain |
| 11:11 AM |
75.2°F
|
69.8°F
|
83% |
29.96 in
|
10.0 miles
|
SSE |
5.8 mph
|
-
|
0.00 in
|
|
Overcast |
| 11:52 AM |
78.8°F
|
71.6°F
|
78% |
29.94 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 12:52 PM |
81.0°F
|
71.1°F
|
72% |
29.94 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:52 PM |
86.0°F
|
66.9°F
|
53% |
29.94 in
|
10.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 PM |
90.0°F
|
68.0°F
|
48% |
29.92 in
|
10.0 miles
|
SW |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 3:52 PM |
91.0°F
|
64.9°F
|
42% |
29.92 in
|
10.0 miles
|
West |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 4:52 PM |
91.0°F
|
63.0°F
|
39% |
29.92 in
|
10.0 miles
|
SSW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 5:52 PM |
89.1°F
|
69.1°F
|
52% |
29.92 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Scattered Clouds |
| 6:52 PM |
89.1°F
|
68.0°F
|
50% |
29.90 in
|
10.0 miles
|
South |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 PM |
88.0°F
|
66.9°F
|
49% |
29.90 in
|
10.0 miles
|
East |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 PM |
87.1°F
|
69.1°F
|
55% |
29.89 in
|
10.0 miles
|
East |
4.6 mph
|
-
|
N/A |
|
Scattered Clouds |
| 9:52 PM |
84.9°F
|
66.9°F
|
55% |
29.92 in
|
10.0 miles
|
SSE |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:30 PM |
84.2°F
|
68.0°F
|
58% |
29.92 in
|
10.0 miles
|
SSE |
6.9 mph
|
-
|
N/A |
Thunderstorm
|
Thunderstorm |
| 10:52 PM |
82.9°F
|
69.1°F
|
63% |
29.94 in
|
10.0 miles
|
Calm |
Calm |
-
|
0.00 in
|
Rain
|
Light Rain |
| 11:52 PM |
84.0°F
|
69.1°F
|
61% |
29.92 in
|
10.0 miles
|
ESE |
5.8 mph
|
-
|
0.00 in
|
|
Mostly Cloudy |
|
|
