|   时段  |       实验学校  |       外语学校  |    ||
|   噪声值/dB (A)  |       车流量/辆∙h−1  |       噪声值/dB (A)  |       车流量/辆∙h−1  |    |
|   21:55~22:55  |       62.4  |       707  |       70.8  |       7326  |    
|   22:55~23:55  |       61.5  |       276  |       69.2  |       5301  |    
|   23:56~00:56  |       62.5  |       303  |       68.6  |       4022  |    
|   00:58~01:58  |       60.8  |       209  |       67.1  |       3431  |    
|   01:58~02:58  |       61.4  |       197  |       65.7  |       2364  |    
|   02:58~03:58  |       60.7  |       247  |       62.8  |       1024  |    
|   03:59~04:59  |       57.7  |       143  |       64.6  |       2160  |    
|   04:59~05:59  |       60.2  |       64  |       69.4  |       6630  |    
|   06:00~07:00  |       58.3  |       255  |       73.7  |       11390  |    
|   07:00~08:00  |       62.7  |       925  |       74.1  |       10812  |    
|   08:00~09:00  |       63.5  |       1371  |       72.3  |       7595  |    
|   09:00~10:00  |       62.1  |       1106  |       73.2  |       10731  |    
|   10:01~11:01  |       60.2  |       1095  |       73  |       10156  |    
|   11:01~12:01  |       60.7  |       1118  |       72  |       7380  |    
|   12:03~13:03  |       58.9  |       954  |       71.8  |       6084  |    
|   13:53~14:53  |       61.3  |       1146  |       72  |       7723  |    
|   14:54~15:54  |       59.9  |       1192  |       72.6  |       9616  |    
|   16:01~17:01  |       60.5  |       1155  |       72.9  |       10631  |    
|   17:30~18:30  |       61.3  |       1310  |       72.5  |       9736  |    
|   18:38~19:38  |       74.8  |       787  |       72.8  |       9761  |    
|   19:50~20:50  |       72.1  |       491  |       70.9  |       7398  |    
|   20:54~21:54  |       62.6  |       724  |       70.7  |       7553  |    
|   夜间均值  |       60.9  |       268.3  |       67.3  |       4032.3  |    
|   昼间均值  |       62.8  |       973.5  |       72.5  |       9040.4  |