Boston, MA
on Tuesday, September 9, 2008
| Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
°F
|
67°F
|
|
| Max Temperature |
77°F
|
75°F
|
91°F
(1971) |
| Min Temperature |
64°F
|
59°F
|
45°F
(1938) |
| Degree Days |
| Heating Degree Days |
0 |
1 |
|
| Month to date heating degree days |
0 |
9 |
|
| Since 1 July heating degree days |
0 |
21 |
|
| Cooling Degree Days |
6 |
3 |
|
| Month to date cooling degree days |
75 |
37 |
|
| Year to date cooling degree days |
768 |
730 |
|
| Growing Degree Days | 20 (Base
°F
) | | |
| Moisture |
| Dew Point |
60°F
| | |
| Average Humidity |
75 |
|
|
| Maximum Humidity |
87 |
|
|
| Minimum Humidity |
63 |
|
|
| Precipitation |
| Precipitation |
0.28 in
|
0.11 in
|
2.19 in
(1969) |
| Month to date precipitation |
2.52 |
0.99 |
|
| Year to date precipitation |
37.46 |
28.55 |
|
| Snow |
| Snow |
0.00 in
|
0.00 in
|
0.00 in
(2002) |
| Month to date snowfall |
0.0 |
0.0 |
|
| Since 1 July snowfall |
0.0 |
0.0 |
|
| Since 1 September snowfall |
0.0 |
0.0 |
|
| Snow Depth |
0.00 in
|
| |
| Wind |
| Wind Speed |
12 mph
| | |
| Max Wind Speed |
33 mph
| | |
| Max Gust Speed |
45 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 |
|---|
| 12:54 AM |
66.9°F
|
55.9°F
|
68% |
30.11 in
|
10.0 miles
|
SW |
9.2 mph
|
-
|
N/A |
|
Clear |
| 1:54 AM |
66.0°F
|
55.0°F
|
68% |
30.09 in
|
10.0 miles
|
SW |
8.1 mph
|
-
|
N/A |
|
Clear |
| 2:54 AM |
66.0°F
|
54.0°F
|
65% |
30.09 in
|
10.0 miles
|
SW |
10.4 mph
|
-
|
N/A |
|
Clear |
| 3:54 AM |
64.9°F
|
54.0°F
|
68% |
30.08 in
|
10.0 miles
|
SW |
5.8 mph
|
-
|
N/A |
|
Clear |
| 4:54 AM |
64.9°F
|
54.0°F
|
68% |
30.06 in
|
10.0 miles
|
SSW |
9.2 mph
|
-
|
N/A |
|
Clear |
| 5:54 AM |
66.0°F
|
59.0°F
|
78% |
30.06 in
|
10.0 miles
|
SSW |
10.4 mph
|
-
|
N/A |
|
Scattered Clouds |
| 6:54 AM |
66.0°F
|
61.0°F
|
84% |
30.04 in
|
10.0 miles
|
SSW |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:54 AM |
68.0°F
|
62.1°F
|
81% |
30.02 in
|
10.0 miles
|
SSW |
12.7 mph
|
-
|
N/A |
|
Overcast |
| 8:54 AM |
71.1°F
|
64.0°F
|
78% |
30.00 in
|
10.0 miles
|
SSW |
16.1 mph
|
23.0 mph
|
N/A |
|
Mostly Cloudy |
| 9:54 AM |
73.9°F
|
64.0°F
|
71% |
29.98 in
|
10.0 miles
|
SSW |
16.1 mph
|
-
|
N/A |
|
Overcast |
| 10:54 AM |
75.9°F
|
63.0°F
|
64% |
29.98 in
|
10.0 miles
|
SSW |
15.0 mph
|
-
|
N/A |
|
Overcast |
| 11:54 AM |
75.9°F
|
63.0°F
|
64% |
29.96 in
|
10.0 miles
|
SSW |
17.3 mph
|
25.3 mph
|
N/A |
|
Overcast |
| 12:54 PM |
75.0°F
|
64.9°F
|
71% |
29.95 in
|
10.0 miles
|
SSW |
17.3 mph
|
24.2 mph
|
0.00 in
|
Rain
|
Light Rain |
| 1:08 PM |
73.4°F
|
64.4°F
|
73% |
30.00 in
|
6.0 miles
|
West |
33.4 mph
|
44.9 mph
|
0.00 in
|
Rain
, Thunderstorm
|
Thunderstorms and Rain |
| 1:14 PM |
66.2°F
|
60.8°F
|
83% |
29.98 in
|
1.0 miles
|
West |
18.4 mph
|
44.9 mph
|
0.13 in
|
Rain
, Thunderstorm
|
Heavy Thunderstorms and Rain |
| 1:21 PM |
66.2°F
|
62.6°F
|
88% |
29.97 in
|
6.0 miles
|
WSW |
11.5 mph
|
25.3 mph
|
0.18 in
|
Rain
, Thunderstorm
|
Light Thunderstorms and Rain |
| 1:31 PM |
66.2°F
|
62.6°F
|
88% |
29.97 in
|
7.0 miles
|
WSW |
13.8 mph
|
-
|
0.19 in
|
Rain
, Thunderstorm
|
Light Thunderstorms and Rain |
| 1:43 PM |
66.2°F
|
60.8°F
|
83% |
29.96 in
|
6.0 miles
|
SW |
10.4 mph
|
-
|
0.21 in
|
Rain
|
Rain |
| 1:54 PM |
66.9°F
|
62.1°F
|
84% |
29.96 in
|
10.0 miles
|
SW |
11.5 mph
|
-
|
0.22 in
|
Rain
|
Light Rain |
| 2:54 PM |
66.9°F
|
63.0°F
|
87% |
29.91 in
|
10.0 miles
|
SSW |
13.8 mph
|
-
|
0.05 in
|
Rain
|
Light Rain |
| 3:08 PM |
66.2°F
|
62.6°F
|
88% |
29.89 in
|
10.0 miles
|
SSW |
12.7 mph
|
-
|
N/A |
Rain
|
Light Rain |
| 3:54 PM |
66.9°F
|
63.0°F
|
87% |
29.88 in
|
10.0 miles
|
SSW |
13.8 mph
|
-
|
0.01 in
|
Rain
|
Light Rain |
| 4:54 PM |
68.0°F
|
63.0°F
|
84% |
29.88 in
|
10.0 miles
|
SW |
11.5 mph
|
19.6 mph
|
0.00 in
|
|
Overcast |
| 5:54 PM |
66.9°F
|
63.0°F
|
87% |
29.91 in
|
10.0 miles
|
SW |
13.8 mph
|
-
|
N/A |
|
Overcast |
| 6:08 PM |
66.2°F
|
62.6°F
|
88% |
29.90 in
|
10.0 miles
|
SSW |
13.8 mph
|
-
|
N/A |
|
Overcast |
| 6:16 PM |
66.2°F
|
62.6°F
|
88% |
29.92 in
|
10.0 miles
|
SW |
15.0 mph
|
-
|
N/A |
|
Overcast |
| 6:54 PM |
66.9°F
|
63.0°F
|
87% |
29.92 in
|
10.0 miles
|
SW |
13.8 mph
|
-
|
N/A |
|
Overcast |
| 7:54 PM |
66.9°F
|
63.0°F
|
87% |
29.94 in
|
10.0 miles
|
WSW |
10.4 mph
|
-
|
N/A |
|
Overcast |
| 8:54 PM |
68.0°F
|
63.0°F
|
84% |
29.96 in
|
9.0 miles
|
WSW |
10.4 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 9:54 PM |
68.0°F
|
57.9°F
|
70% |
29.97 in
|
10.0 miles
|
West |
9.2 mph
|
-
|
0.00 in
|
|
Overcast |
| 10:54 PM |
66.9°F
|
59.0°F
|
76% |
29.98 in
|
10.0 miles
|
WSW |
8.1 mph
|
-
|
N/A |
|
Overcast |
| 11:54 PM |
66.0°F
|
59.0°F
|
78% |
30.00 in
|
10.0 miles
|
West |
8.1 mph
|
-
|
0.00 in
|
|
Overcast |
|
|
