Chatham, MA
on Friday, September 5, 2008
| Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
°F
|
°F
|
|
| Max Temperature |
78°F
|
71°F
|
80°F
(1985) |
| Min Temperature |
68°F
|
58°F
|
48°F
(1997) |
| Cooling Degree Days |
8 |
|
|
| Growing Degree Days | 23 (Base
°F
) | | |
| Moisture |
| Dew Point |
70°F
| | |
| Average Humidity |
92 |
|
|
| Maximum Humidity |
100 |
|
|
| Minimum Humidity |
74 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
in
|
in
() |
| Wind |
| Wind Speed |
8 mph
| | |
| Max Wind Speed |
14 mph
| | |
| Max Gust Speed |
23 mph
| | |
| Visibility |
4 miles
| | |
| Events |
Fog
| | |
Averages and records for this station are not official NWS values.
|
| Key: T is trace of precipitation, MM is missing value |
|
Source: NWS Daily Summary |
| Seasonal Weather Averages |
| Time(EDT) | Temperature | Dew Point | Humidity | Pressure | Visibility | Wind Direction | Wind Speed | Gust Speed | Precipitation | Events | Conditions |
|---|
| 12:03 AM |
71.6°F
|
69.8°F
|
94% |
30.08 in
|
1.2 miles
|
SW |
10.4 mph
|
16.1 mph
|
N/A |
|
Overcast |
| 12:24 AM |
69.8°F
|
69.8°F
|
100% |
30.08 in
|
0.8 miles
|
SW |
6.9 mph
|
-
|
N/A |
|
Mist |
| 12:52 AM |
70.0°F
|
70.0°F
|
100% |
30.09 in
|
0.8 miles
|
SW |
5.8 mph
|
-
|
N/A |
|
Mist |
| 1:01 AM |
71.6°F
|
69.8°F
|
94% |
30.08 in
|
1.2 miles
|
WSW |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 1:28 AM |
69.8°F
|
69.8°F
|
100% |
30.09 in
|
2.0 miles
|
SW |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 1:37 AM |
69.8°F
|
69.8°F
|
100% |
30.09 in
|
0.8 miles
|
SW |
8.1 mph
|
16.1 mph
|
N/A |
|
Overcast |
| 1:52 AM |
70.0°F
|
69.1°F
|
97% |
30.09 in
|
0.5 miles
|
SW |
6.9 mph
|
-
|
N/A |
Fog
|
Fog |
| 2:13 AM |
69.8°F
|
69.8°F
|
100% |
30.09 in
|
1.5 miles
|
SW |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 2:32 AM |
69.8°F
|
69.8°F
|
100% |
30.09 in
|
0.5 miles
|
SW |
5.8 mph
|
-
|
N/A |
Fog
|
Fog |
| 2:52 AM |
70.0°F
|
69.1°F
|
97% |
30.09 in
|
0.5 miles
|
SW |
5.8 mph
|
-
|
N/A |
Fog
|
Fog |
| 3:25 AM |
69.8°F
|
69.8°F
|
100% |
30.09 in
|
2.0 miles
|
WSW |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 3:52 AM |
70.0°F
|
70.0°F
|
100% |
30.09 in
|
2.0 miles
|
WSW |
6.9 mph
|
-
|
N/A |
|
Overcast |
| 4:00 AM |
69.8°F
|
69.8°F
|
100% |
30.09 in
|
1.8 miles
|
Variable |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 4:18 AM |
69.8°F
|
69.8°F
|
100% |
30.09 in
|
2.0 miles
|
SW |
6.9 mph
|
-
|
N/A |
|
Overcast |
| 4:25 AM |
69.8°F
|
69.8°F
|
100% |
30.09 in
|
1.5 miles
|
SW |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 4:42 AM |
69.8°F
|
69.8°F
|
100% |
30.09 in
|
0.5 miles
|
SW |
6.9 mph
|
-
|
N/A |
Fog
|
Fog |
| 4:52 AM |
69.1°F
|
69.1°F
|
100% |
30.10 in
|
0.5 miles
|
SW |
6.9 mph
|
-
|
N/A |
Fog
|
Fog |
| 5:52 AM |
69.1°F
|
68.0°F
|
96% |
30.11 in
|
0.5 miles
|
SW |
4.6 mph
|
-
|
N/A |
Fog
|
Fog |
| 6:27 AM |
69.8°F
|
69.8°F
|
100% |
30.11 in
|
0.2 miles
|
SW |
4.6 mph
|
-
|
N/A |
Fog
|
Fog |
| 6:52 AM |
69.1°F
|
69.1°F
|
100% |
30.12 in
|
0.2 miles
|
WSW |
4.6 mph
|
-
|
N/A |
Fog
|
Fog |
| 7:52 AM |
70.0°F
|
69.1°F
|
97% |
30.13 in
|
0.2 miles
|
SSW |
4.6 mph
|
-
|
N/A |
Fog
|
Fog |
| 8:52 AM |
69.1°F
|
69.1°F
|
100% |
30.14 in
|
0.2 miles
|
SW |
5.8 mph
|
-
|
N/A |
Fog
|
Fog |
| 9:52 AM |
70.0°F
|
69.1°F
|
97% |
30.16 in
|
0.2 miles
|
SW |
9.2 mph
|
-
|
N/A |
Fog
|
Fog |
| 10:16 AM |
69.8°F
|
69.8°F
|
100% |
30.15 in
|
0.5 miles
|
SW |
6.9 mph
|
-
|
N/A |
Fog
|
Fog |
| 10:35 AM |
69.8°F
|
69.8°F
|
100% |
30.16 in
|
1.2 miles
|
WSW |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 10:52 AM |
70.0°F
|
69.1°F
|
97% |
30.16 in
|
0.8 miles
|
SSW |
9.2 mph
|
-
|
N/A |
|
Overcast |
| 11:52 AM |
73.0°F
|
70.0°F
|
90% |
30.16 in
|
2.0 miles
|
SW |
9.2 mph
|
-
|
N/A |
|
Overcast |
| 12:02 PM |
73.4°F
|
69.8°F
|
88% |
30.16 in
|
3.0 miles
|
SW |
9.2 mph
|
-
|
N/A |
|
Overcast |
| 12:48 PM |
77.0°F
|
71.6°F
|
83% |
30.15 in
|
10.0 miles
|
SW |
9.2 mph
|
16.1 mph
|
N/A |
|
Mostly Cloudy |
| 12:52 PM |
77.0°F
|
71.1°F
|
82% |
30.16 in
|
10.0 miles
|
SW |
8.1 mph
|
16.1 mph
|
N/A |
|
Mostly Cloudy |
| 1:10 PM |
78.8°F
|
69.8°F
|
74% |
30.16 in
|
10.0 miles
|
SSW |
9.2 mph
|
18.4 mph
|
N/A |
|
Partly Cloudy |
| 1:52 PM |
77.0°F
|
70.0°F
|
79% |
30.15 in
|
10.0 miles
|
SW |
13.8 mph
|
23.0 mph
|
N/A |
|
Clear |
| 2:52 PM |
78.1°F
|
70.0°F
|
76% |
30.15 in
|
10.0 miles
|
SSW |
10.4 mph
|
20.7 mph
|
N/A |
|
Clear |
| 3:52 PM |
78.1°F
|
69.1°F
|
74% |
30.14 in
|
10.0 miles
|
SSW |
9.2 mph
|
19.6 mph
|
N/A |
|
Clear |
| 4:52 PM |
75.0°F
|
69.1°F
|
82% |
30.14 in
|
10.0 miles
|
SSW |
9.2 mph
|
19.6 mph
|
N/A |
|
Clear |
| 5:52 PM |
73.0°F
|
69.1°F
|
87% |
30.14 in
|
10.0 miles
|
SSW |
9.2 mph
|
-
|
N/A |
|
Clear |
| 6:52 PM |
71.1°F
|
68.0°F
|
90% |
30.14 in
|
10.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Clear |
| 7:52 PM |
70.0°F
|
66.9°F
|
90% |
30.14 in
|
10.0 miles
|
SSW |
6.9 mph
|
-
|
N/A |
|
Clear |
| 8:52 PM |
70.0°F
|
66.9°F
|
90% |
30.15 in
|
10.0 miles
|
Variable |
5.8 mph
|
-
|
N/A |
|
Clear |
| 9:52 PM |
68.0°F
|
66.0°F
|
93% |
30.14 in
|
10.0 miles
|
Variable |
5.8 mph
|
-
|
N/A |
|
Clear |
| 10:52 PM |
68.0°F
|
66.0°F
|
93% |
30.12 in
|
10.0 miles
|
South |
6.9 mph
|
-
|
N/A |
|
Clear |
| 11:52 PM |
68.0°F
|
66.0°F
|
93% |
30.11 in
|
10.0 miles
|
South |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
|
|
