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Recently Viewed Airport Codes:
KNYG
|
KHGR
|
KATT
|
KTRK
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| Daily Summary |
| |
Actual |
Average (KDCA) |
Record (KDCA) |
| Temperature |
| Mean Temperature |
46°F
|
47°F
|
|
| Max Temperature |
55°F
|
55°F
|
77°F
(2007) |
| Min Temperature |
37°F
|
38°F
|
12°F
(1880) |
| Degree Days |
| Heating Degree Days |
19 |
18 |
|
| Month to date heating degree days |
|
321 |
|
| Since 1 July heating degree days |
|
552 |
|
| Cooling Degree Days |
0 |
0 |
|
| Month to date cooling degree days |
|
0 |
|
| Year to date cooling degree days |
|
1527 |
|
| Moisture |
| Dew Point |
38°F
|
|
|
| Average Humidity |
76 |
|
|
| Maximum Humidity |
93 |
|
|
| Minimum Humidity |
57 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.10 in
|
1.23 in
(1985) |
| Month to date precipitation |
|
2.23 |
|
| Year to date precipitation |
|
35.50 |
|
| Snow |
| Snow |
0.00 in
|
T in
|
in
() |
| Month to date snowfall |
|
T |
|
| Since 1 July snowfall |
|
T |
|
| Snow Depth |
in
|
|
|
| Sea Level Pressure |
| Sea Level Pressure |
30.26 in
|
|
|
| Wind |
| Wind Speed |
4 mph
(NNE) |
|
|
| Max Wind Speed |
13 mph
|
|
|
| Max Gust Speed |
mph
|
|
|
| Visibility |
9 miles
|
|
|
| Events |
|
|
|
|
|
| T = Trace of Precipitation, MM = Missing Value |
Source: NWS Daily Summary |
|
|
|
Show full METARS
(help) - Comma Delimited File
Hourly Observations
| Time(EST) |
Temperature |
Dew Point |
Humidity |
Sea Level Pressure |
Visibility |
Wind Direction |
Wind Speed |
Gust Speed |
Precipitation |
Events |
Conditions |
| 12:56 AM |
43.0°F
|
39.9°F
|
89% |
30.19 in
|
8.0 miles
|
WNW |
4.6 mph
|
-
|
N/A |
|
Clear |
| 1:56 AM |
42.1°F
|
39.0°F
|
89% |
30.20 in
|
8.0 miles
|
WNW |
3.5 mph
|
-
|
N/A |
|
Clear |
| 2:56 AM |
41.0°F
|
39.0°F
|
93% |
30.21 in
|
7.0 miles
|
WNW |
3.5 mph
|
-
|
N/A |
|
Clear |
| 3:56 AM |
41.0°F
|
37.9°F
|
89% |
30.22 in
|
6.0 miles
|
WNW |
4.6 mph
|
-
|
N/A |
|
Clear |
| 4:56 AM |
39.0°F
|
37.0°F
|
93% |
30.23 in
|
5.0 miles
|
WNW |
6.9 mph
|
-
|
N/A |
|
Clear |
| 5:56 AM |
37.9°F
|
36.0°F
|
93% |
30.25 in
|
6.0 miles
|
WNW |
6.9 mph
|
-
|
N/A |
|
Clear |
| 6:56 AM |
37.9°F
|
35.1°F
|
89% |
30.27 in
|
4.0 miles
|
WNW |
6.9 mph
|
-
|
N/A |
|
Clear |
| 7:56 AM |
39.9°F
|
37.9°F
|
93% |
30.28 in
|
5.0 miles
|
NW |
4.6 mph
|
-
|
N/A |
|
Clear |
| 8:56 AM |
48.0°F
|
39.9°F
|
74% |
30.29 in
|
10.0 miles
|
North |
8.1 mph
|
-
|
N/A |
|
Clear |
| 9:56 AM |
50.0°F
|
39.9°F
|
68% |
30.31 in
|
10.0 miles
|
NE |
8.1 mph
|
-
|
N/A |
|
Clear |
| 10:56 AM |
52.0°F
|
41.0°F
|
66% |
30.30 in
|
10.0 miles
|
ENE |
10.4 mph
|
-
|
N/A |
|
Partly Cloudy |
| 11:56 AM |
53.1°F
|
41.0°F
|
64% |
30.27 in
|
10.0 miles
|
NE |
12.7 mph
|
-
|
N/A |
|
Clear |
| 12:56 PM |
54.0°F
|
42.1°F
|
64% |
30.25 in
|
10.0 miles
|
NE |
11.5 mph
|
-
|
N/A |
|
Clear |
| 1:56 PM |
55.0°F
|
41.0°F
|
59% |
30.25 in
|
10.0 miles
|
NE |
10.4 mph
|
-
|
N/A |
|
Clear |
| 2:56 PM |
55.9°F
|
41.0°F
|
57% |
30.27 in
|
10.0 miles
|
NE |
8.1 mph
|
-
|
N/A |
|
Clear |
| 3:56 PM |
55.0°F
|
39.9°F
|
57% |
30.26 in
|
10.0 miles
|
NE |
8.1 mph
|
-
|
N/A |
|
Clear |
| 4:56 PM |
53.1°F
|
42.1°F
|
66% |
30.28 in
|
10.0 miles
|
East |
12.7 mph
|
-
|
N/A |
|
Clear |
| 5:56 PM |
51.1°F
|
42.1°F
|
71% |
30.30 in
|
10.0 miles
|
East |
11.5 mph
|
-
|
N/A |
|
Clear |
| 6:56 PM |
50.0°F
|
43.0°F
|
77% |
30.30 in
|
10.0 miles
|
ENE |
6.9 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:56 PM |
48.9°F
|
43.0°F
|
80% |
30.31 in
|
10.0 miles
|
East |
3.5 mph
|
-
|
N/A |
|
Clear |
| 8:56 PM |
46.9°F
|
42.1°F
|
83% |
30.30 in
|
10.0 miles
|
NNE |
3.5 mph
|
-
|
N/A |
|
Clear |
| 9:56 PM |
48.9°F
|
43.0°F
|
80% |
30.30 in
|
10.0 miles
|
East |
10.4 mph
|
-
|
N/A |
|
Clear |
| 10:56 PM |
48.0°F
|
43.0°F
|
83% |
30.30 in
|
10.0 miles
|
NE |
6.9 mph
|
-
|
N/A |
|
Clear |
| 11:56 PM |
48.0°F
|
42.1°F
|
80% |
30.32 in
|
10.0 miles
|
NNE |
8.1 mph
|
-
|
N/A |
|
Clear |
|