Chatham, MA
on Thursday, September 4, 2008
| Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
°F
|
°F
|
|
| Max Temperature |
78°F
|
71°F
|
83°F
(1973) |
| Min Temperature |
61°F
|
58°F
|
51°F
(1997) |
| Cooling Degree Days |
4 |
|
|
| Growing Degree Days | 19 (Base
°F
) | | |
| Moisture |
| Dew Point |
64°F
| | |
| Average Humidity |
85 |
|
|
| Maximum Humidity |
100 |
|
|
| Minimum Humidity |
74 |
|
|
| Precipitation |
| Precipitation |
0.00 in
|
in
|
in
() |
| Wind |
| Wind Speed |
5 mph
| | |
| Max Wind Speed |
14 mph
| | |
| Max Gust Speed |
24 mph
| | |
| Visibility |
8 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 |
|---|
| 12:52 AM |
61.0°F
|
59.0°F
|
93% |
29.95 in
|
10.0 miles
|
WSW |
3.5 mph
|
-
|
N/A |
|
Clear |
| 1:52 AM |
64.0°F
|
61.0°F
|
90% |
29.95 in
|
10.0 miles
|
SW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:52 AM |
66.0°F
|
62.1°F
|
87% |
29.95 in
|
10.0 miles
|
SW |
5.8 mph
|
-
|
N/A |
|
Partly Cloudy |
| 3:52 AM |
66.0°F
|
63.0°F
|
90% |
29.95 in
|
10.0 miles
|
SW |
8.1 mph
|
18.4 mph
|
N/A |
|
Partly Cloudy |
| 4:52 AM |
66.9°F
|
64.9°F
|
93% |
29.95 in
|
10.0 miles
|
SSW |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 5:09 AM |
68.0°F
|
66.2°F
|
94% |
29.94 in
|
10.0 miles
|
SW |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 5:52 AM |
69.1°F
|
66.0°F
|
90% |
29.95 in
|
10.0 miles
|
Variable |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
69.1°F
|
66.0°F
|
90% |
29.96 in
|
10.0 miles
|
WSW |
8.1 mph
|
17.3 mph
|
N/A |
|
Partly Cloudy |
| 7:24 AM |
69.8°F
|
66.2°F
|
88% |
29.97 in
|
10.0 miles
|
SW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:44 AM |
71.6°F
|
66.2°F
|
83% |
29.97 in
|
10.0 miles
|
WSW |
9.2 mph
|
-
|
N/A |
|
Scattered Clouds |
| 7:52 AM |
71.1°F
|
66.9°F
|
87% |
29.98 in
|
10.0 miles
|
WSW |
9.2 mph
|
-
|
N/A |
|
Partly Cloudy |
| 8:47 AM |
73.4°F
|
66.2°F
|
78% |
29.97 in
|
10.0 miles
|
SW |
10.4 mph
|
19.6 mph
|
N/A |
|
Mostly Cloudy |
| 8:52 AM |
73.0°F
|
66.9°F
|
81% |
29.98 in
|
10.0 miles
|
SW |
12.7 mph
|
20.7 mph
|
N/A |
|
Mostly Cloudy |
| 9:32 AM |
73.4°F
|
68.0°F
|
83% |
29.98 in
|
10.0 miles
|
SW |
13.8 mph
|
21.9 mph
|
N/A |
|
Scattered Clouds |
| 9:45 AM |
73.4°F
|
66.2°F
|
78% |
29.99 in
|
10.0 miles
|
SW |
12.7 mph
|
23.0 mph
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
75.0°F
|
68.0°F
|
79% |
29.99 in
|
10.0 miles
|
WSW |
12.7 mph
|
24.2 mph
|
N/A |
|
Mostly Cloudy |
| 10:10 AM |
75.2°F
|
68.0°F
|
78% |
29.99 in
|
10.0 miles
|
SW |
9.2 mph
|
20.7 mph
|
N/A |
|
Scattered Clouds |
| 10:52 AM |
77.0°F
|
68.0°F
|
74% |
30.00 in
|
10.0 miles
|
SW |
13.8 mph
|
21.9 mph
|
N/A |
|
Partly Cloudy |
| 11:52 AM |
75.9°F
|
69.1°F
|
79% |
30.00 in
|
10.0 miles
|
SW |
9.2 mph
|
18.4 mph
|
N/A |
|
Mostly Cloudy |
| 12:15 PM |
75.2°F
|
69.8°F
|
83% |
30.00 in
|
10.0 miles
|
SW |
9.2 mph
|
18.4 mph
|
N/A |
|
Mostly Cloudy |
| 12:39 PM |
75.2°F
|
69.8°F
|
83% |
29.99 in
|
10.0 miles
|
SW |
11.5 mph
|
23.0 mph
|
N/A |
|
Scattered Clouds |
| 12:48 PM |
75.2°F
|
69.8°F
|
83% |
29.99 in
|
10.0 miles
|
SSW |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 12:52 PM |
75.9°F
|
69.1°F
|
79% |
30.00 in
|
10.0 miles
|
SW |
10.4 mph
|
16.1 mph
|
N/A |
|
Mostly Cloudy |
| 1:26 PM |
73.4°F
|
69.8°F
|
88% |
29.99 in
|
10.0 miles
|
SW |
11.5 mph
|
23.0 mph
|
N/A |
|
Overcast |
| 1:38 PM |
77.0°F
|
69.8°F
|
78% |
29.99 in
|
10.0 miles
|
SW |
11.5 mph
|
21.9 mph
|
N/A |
|
Mostly Cloudy |
| 1:52 PM |
77.0°F
|
69.1°F
|
76% |
30.00 in
|
10.0 miles
|
SW |
11.5 mph
|
20.7 mph
|
N/A |
|
Scattered Clouds |
| 2:52 PM |
77.0°F
|
69.1°F
|
76% |
29.99 in
|
10.0 miles
|
SW |
9.2 mph
|
23.0 mph
|
N/A |
|
Partly Cloudy |
| 3:05 PM |
73.4°F
|
69.8°F
|
88% |
29.99 in
|
10.0 miles
|
SW |
11.5 mph
|
18.4 mph
|
N/A |
|
Mostly Cloudy |
| 3:41 PM |
75.2°F
|
69.8°F
|
83% |
29.99 in
|
10.0 miles
|
SW |
9.2 mph
|
21.9 mph
|
N/A |
|
Overcast |
| 3:52 PM |
75.0°F
|
69.1°F
|
82% |
29.99 in
|
10.0 miles
|
SW |
12.7 mph
|
21.9 mph
|
N/A |
|
Mostly Cloudy |
| 4:02 PM |
75.2°F
|
69.8°F
|
83% |
29.99 in
|
10.0 miles
|
SW |
9.2 mph
|
23.0 mph
|
N/A |
|
Mostly Cloudy |
| 4:20 PM |
73.4°F
|
69.8°F
|
88% |
29.98 in
|
10.0 miles
|
SW |
11.5 mph
|
19.6 mph
|
N/A |
|
Mostly Cloudy |
| 4:52 PM |
73.9°F
|
69.1°F
|
85% |
29.99 in
|
10.0 miles
|
Variable |
5.8 mph
|
19.6 mph
|
N/A |
|
Mostly Cloudy |
| 4:59 PM |
73.4°F
|
69.8°F
|
88% |
29.99 in
|
10.0 miles
|
SW |
8.1 mph
|
-
|
N/A |
|
Scattered Clouds |
| 5:18 PM |
73.4°F
|
69.8°F
|
88% |
29.99 in
|
10.0 miles
|
SW |
10.4 mph
|
16.1 mph
|
N/A |
|
Mostly Cloudy |
| 5:35 PM |
73.4°F
|
69.8°F
|
88% |
29.99 in
|
9.0 miles
|
SW |
8.1 mph
|
-
|
N/A |
|
Overcast |
| 5:52 PM |
73.0°F
|
69.1°F
|
87% |
30.00 in
|
7.0 miles
|
SW |
10.4 mph
|
-
|
N/A |
|
Overcast |
| 6:09 PM |
71.6°F
|
69.8°F
|
94% |
29.99 in
|
6.0 miles
|
SW |
9.2 mph
|
16.1 mph
|
N/A |
|
Overcast |
| 6:52 PM |
72.0°F
|
69.1°F
|
91% |
30.01 in
|
4.0 miles
|
SW |
10.4 mph
|
20.7 mph
|
N/A |
|
Overcast |
| 7:52 PM |
71.1°F
|
69.1°F
|
93% |
30.02 in
|
4.0 miles
|
WSW |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:11 PM |
71.6°F
|
69.8°F
|
94% |
30.03 in
|
4.0 miles
|
SW |
4.6 mph
|
-
|
N/A |
|
Partly Cloudy |
| 8:30 PM |
71.6°F
|
69.8°F
|
94% |
30.03 in
|
3.0 miles
|
SSW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:52 PM |
71.1°F
|
70.0°F
|
96% |
30.04 in
|
3.0 miles
|
SW |
6.9 mph
|
-
|
N/A |
|
Overcast |
| 9:22 PM |
71.6°F
|
69.8°F
|
94% |
30.05 in
|
1.8 miles
|
Variable |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 9:52 PM |
70.0°F
|
70.0°F
|
100% |
30.06 in
|
1.0 miles
|
SW |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 10:00 PM |
69.8°F
|
69.8°F
|
100% |
30.05 in
|
0.5 miles
|
SW |
4.6 mph
|
-
|
N/A |
Fog
|
Fog |
| 10:44 PM |
69.8°F
|
69.8°F
|
100% |
30.06 in
|
0.2 miles
|
SW |
8.1 mph
|
-
|
N/A |
Fog
|
Fog |
| 10:52 PM |
70.0°F
|
69.1°F
|
97% |
30.07 in
|
0.5 miles
|
SW |
9.2 mph
|
-
|
N/A |
Fog
|
Fog |
| 11:21 PM |
69.8°F
|
69.8°F
|
100% |
30.07 in
|
1.2 miles
|
SW |
9.2 mph
|
16.1 mph
|
N/A |
|
Overcast |
| 11:34 PM |
71.6°F
|
69.8°F
|
94% |
30.07 in
|
0.5 miles
|
SW |
9.2 mph
|
-
|
N/A |
Fog
|
Fog |
| 11:52 PM |
71.1°F
|
70.0°F
|
96% |
30.08 in
|
0.8 miles
|
SW |
6.9 mph
|
18.4 mph
|
N/A |
|
Mist |
|
|
