Charleston, SC
on Saturday, April 21, 2012
| Daily Summary |
| | Actual | Average | Record |
| Temperature |
| Mean Temperature |
°F
|
66°F
|
|
| Max Temperature |
80°F
|
78°F
|
94°F
(2002) |
| Min Temperature |
62°F
|
55°F
|
34°F
(1953) |
| Degree Days |
| Heating Degree Days |
0 |
2 |
|
| Month to date heating degree days |
49 |
74 |
|
| Since 1 July heating degree days |
1388 |
1949 |
|
| Cooling Degree Days |
6 |
3 |
|
| Month to date cooling degree days |
82 |
49 |
|
| Year to date cooling degree days |
192 |
83 |
|
| Growing Degree Days | 21 (Base
°F
) | | |
| Moisture |
| Dew Point |
64°F
| | |
| Average Humidity |
80 |
|
|
| Maximum Humidity |
100 |
|
|
| Minimum Humidity |
60 |
|
|
| Precipitation |
| Precipitation |
T in
|
0.10 in
|
1.29 in
(1992) |
| Month to date precipitation |
1.04 |
2.05 |
|
| Year to date precipitation |
9.46 |
12.43 |
|
| 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 |
0.5 |
|
| Snow Depth |
0.00 in
|
| |
| Wind |
| Wind Speed |
7 mph
| | |
| Max Wind Speed |
20 mph
| | |
| Max Gust Speed |
23 mph
| | |
| Visibility |
7 miles
| | |
| Events |
Fog
, Rain
| | |
|
| 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 |
| 12:56 AM |
62.1°F
|
61.0°F
|
96% |
29.88 in
|
7.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Partly Cloudy |
| 1:54 AM |
62.6°F
|
60.8°F
|
94% |
29.87 in
|
7.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 1:56 AM |
63.0°F
|
61.0°F
|
93% |
29.87 in
|
7.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Mostly Cloudy |
| 2:56 AM |
63.0°F
|
62.1°F
|
97% |
29.86 in
|
6.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 3:56 AM |
64.9°F
|
63.0°F
|
93% |
29.85 in
|
8.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 4:56 AM |
64.9°F
|
64.0°F
|
97% |
29.83 in
|
7.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 5:09 AM |
66.2°F
|
64.4°F
|
94% |
29.83 in
|
2.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 5:14 AM |
66.2°F
|
64.4°F
|
94% |
29.83 in
|
0.2 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 5:56 AM |
66.0°F
|
64.9°F
|
96% |
29.82 in
|
0.2 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 6:56 AM |
66.0°F
|
66.0°F
|
100% |
29.82 in
|
0.2 miles
|
SE |
3.5 mph
|
-
|
N/A |
Fog
|
Fog |
| 7:03 AM |
66.2°F
|
66.2°F
|
100% |
29.82 in
|
0.2 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 7:56 AM |
66.9°F
|
66.0°F
|
97% |
29.82 in
|
0.1 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 8:25 AM |
68.0°F
|
66.2°F
|
94% |
29.82 in
|
1.0 miles
|
SSE |
4.6 mph
|
-
|
N/A |
|
Mist |
| 8:46 AM |
69.8°F
|
68.0°F
|
94% |
29.81 in
|
4.0 miles
|
SE |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:56 AM |
69.1°F
|
68.0°F
|
96% |
29.81 in
|
8.0 miles
|
SE |
3.5 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:56 AM |
73.9°F
|
66.9°F
|
79% |
29.81 in
|
10.0 miles
|
SE |
4.6 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 10:56 AM |
75.9°F
|
66.0°F
|
71% |
29.81 in
|
10.0 miles
|
SSE |
13.8 mph
|
-
|
N/A |
|
Overcast |
| 11:56 AM |
77.0°F
|
66.9°F
|
71% |
29.80 in
|
10.0 miles
|
SSE |
11.5 mph
|
17.3 mph
|
N/A |
|
Mostly Cloudy |
| 12:56 PM |
78.1°F
|
66.9°F
|
68% |
29.80 in
|
10.0 miles
|
South |
10.4 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 1:56 PM |
78.1°F
|
66.0°F
|
66% |
29.78 in
|
10.0 miles
|
South |
13.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:45 PM |
77.0°F
|
64.4°F
|
65% |
29.78 in
|
10.0 miles
|
SSE |
13.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 2:56 PM |
75.9°F
|
64.9°F
|
69% |
29.78 in
|
10.0 miles
|
SSE |
15.0 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 3:56 PM |
73.0°F
|
66.9°F
|
81% |
29.74 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 4:56 PM |
75.0°F
|
62.1°F
|
64% |
29.74 in
|
10.0 miles
|
South |
11.5 mph
|
-
|
0.00 in
|
|
Overcast |
| 5:56 PM |
75.0°F
|
60.1°F
|
60% |
29.74 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Overcast |
| 6:56 PM |
73.9°F
|
63.0°F
|
68% |
29.72 in
|
10.0 miles
|
South |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:56 PM |
73.0°F
|
64.9°F
|
76% |
29.73 in
|
10.0 miles
|
SSE |
8.1 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 8:56 PM |
72.0°F
|
64.0°F
|
76% |
29.73 in
|
10.0 miles
|
SSE |
9.2 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 9:56 PM |
69.1°F
|
64.0°F
|
84% |
29.70 in
|
10.0 miles
|
SE |
10.4 mph
|
-
|
0.00 in
|
|
Mostly Cloudy |
| 10:56 PM |
69.1°F
|
63.0°F
|
81% |
29.71 in
|
10.0 miles
|
SSE |
5.8 mph
|
-
|
N/A |
|
Overcast |
| 11:56 PM |
69.1°F
|
64.0°F
|
84% |
29.68 in
|
10.0 miles
|
East |
5.8 mph
|
-
|
N/A |
|
Overcast |
|
|