|
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|
Dulles Airport, VA
on Friday, December 5, 2008
| Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
°F
|
39°F
|
|
| Max Temperature |
40°F
|
49°F
|
77°F
(2001) |
| Min Temperature |
26°F
|
29°F
|
12°F
(1966) |
| Degree Days |
| Heating Degree Days |
32 |
26 |
|
| Month to date heating degree days |
134 |
125 |
|
| Since 1 July heating degree days |
1087 |
1102 |
|
| Cooling Degree Days |
0 |
0 |
|
| Month to date cooling degree days |
0 |
0 |
|
| Year to date cooling degree days |
1171 |
1075 |
|
| Moisture |
| Dew Point |
22°F
| | |
| Average Humidity |
52 |
|
|
| Maximum Humidity |
64 |
|
|
| Minimum Humidity |
40 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
0.10 in
|
1.02 in
(2003) |
| Month to date precipitation |
0.06 |
0.50 |
|
| Year to date precipitation |
41.44 |
39.23 |
|
| Snow |
| Snow |
0.00 in
|
in
|
T in
(0.0) |
| Month to date snowfall |
0.0 |
T |
|
| Since 1 July snowfall |
0.0 |
0.9 |
|
| Snow Depth |
0.00 in
|
| |
| Wind |
| Wind Speed |
8 mph
| | |
| Max Wind Speed |
16 mph
| | |
| Max Gust Speed |
21 mph
| | |
| Visibility |
10 miles
| | |
| Events |
| | |
|
| Key: T is trace of precipitation, MM is missing value |
|
Source: NWS Daily Summary |
| Time(EST) | Temperature | Dew Point | Humidity | Pressure | Visibility | Wind Direction | Wind Speed | Gust Speed | Precipitation | Events | Conditions |
|---|
| 12:52 AM |
37.0°F
|
26.1°F
|
65% |
30.23 in
|
10.0 miles
|
NNW |
5.8 mph
|
-
|
N/A |
|
Scattered Clouds |
| 1:52 AM |
36.0°F
|
24.1°F
|
62% |
30.23 in
|
10.0 miles
|
NNW |
9.2 mph
|
-
|
N/A |
|
Partly Cloudy |
| 2:52 AM |
34.0°F
|
23.0°F
|
64% |
30.25 in
|
10.0 miles
|
NW |
4.6 mph
|
-
|
N/A |
|
Clear |
| 3:52 AM |
33.1°F
|
23.0°F
|
66% |
30.25 in
|
10.0 miles
|
NW |
3.5 mph
|
-
|
N/A |
|
Clear |
| 4:52 AM |
32.0°F
|
21.9°F
|
66% |
30.26 in
|
10.0 miles
|
WNW |
3.5 mph
|
-
|
N/A |
|
Clear |
| 5:52 AM |
33.1°F
|
19.9°F
|
59% |
30.28 in
|
10.0 miles
|
NW |
6.9 mph
|
-
|
N/A |
|
Clear |
| 6:52 AM |
30.9°F
|
19.9°F
|
64% |
30.30 in
|
10.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Scattered Clouds |
| 7:52 AM |
30.9°F
|
19.0°F
|
61% |
30.31 in
|
10.0 miles
|
NW |
9.2 mph
|
-
|
N/A |
|
Clear |
| 8:52 AM |
33.1°F
|
18.0°F
|
54% |
30.32 in
|
10.0 miles
|
NW |
10.4 mph
|
-
|
N/A |
|
Scattered Clouds |
| 9:52 AM |
35.1°F
|
18.0°F
|
50% |
30.34 in
|
10.0 miles
|
NNW |
16.1 mph
|
19.6 mph
|
N/A |
|
Scattered Clouds |
| 10:52 AM |
36.0°F
|
18.0°F
|
48% |
30.32 in
|
10.0 miles
|
WNW |
10.4 mph
|
-
|
N/A |
|
Scattered Clouds |
| 11:52 AM |
37.9°F
|
18.0°F
|
45% |
30.30 in
|
10.0 miles
|
NW |
10.4 mph
|
19.6 mph
|
N/A |
|
Scattered Clouds |
| 12:52 PM |
39.0°F
|
17.1°F
|
41% |
30.27 in
|
10.0 miles
|
NW |
15.0 mph
|
-
|
N/A |
|
Scattered Clouds |
| 1:52 PM |
37.9°F
|
16.0°F
|
41% |
30.25 in
|
10.0 miles
|
NNW |
13.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 PM |
37.0°F
|
16.0°F
|
42% |
30.24 in
|
10.0 miles
|
NNW |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 3:52 PM |
36.0°F
|
16.0°F
|
44% |
30.23 in
|
10.0 miles
|
NW |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 4:52 PM |
34.0°F
|
15.1°F
|
46% |
30.24 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 5:52 PM |
32.0°F
|
14.0°F
|
48% |
30.25 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 PM |
30.9°F
|
14.0°F
|
50% |
30.26 in
|
10.0 miles
|
NNW |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 7:52 PM |
30.9°F
|
12.9°F
|
47% |
30.26 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Partly Cloudy |
| 8:52 PM |
30.0°F
|
12.0°F
|
47% |
30.27 in
|
10.0 miles
|
NNW |
8.1 mph
|
-
|
N/A |
|
Partly Cloudy |
| 9:52 PM |
28.0°F
|
12.0°F
|
51% |
30.26 in
|
10.0 miles
|
North |
8.1 mph
|
-
|
N/A |
|
Clear |
| 10:52 PM |
27.0°F
|
14.0°F
|
58% |
30.27 in
|
10.0 miles
|
NNE |
4.6 mph
|
-
|
N/A |
|
Clear |
| 11:52 PM |
27.0°F
|
14.0°F
|
58% |
30.25 in
|
10.0 miles
|
North |
5.8 mph
|
-
|
N/A |
|
Clear |
|
|
|
