data
| Date | LV10日 | LV10夜 | LVmax |
|---|---|---|---|
| dB | dB | dB | |
| 2021-Q4 | 43.0 | 32.4 | 56.7 |
| 2021-Q3 | 39.9 | 30.8 | 55.1 |
| 2021-Q2 | 45.8 | 40.4 | 69.2 |
| 2021-Q1 | 41.8 | 32.0 | 55.7 |
| 2020-Q4 | 41.0 | 32.2 | 92.0 |
| 2020-Q3 | 41.1 | 31.3 | 64.5 |
| 2020-Q2 | 41.5 | 31.7 | 54.9 |
| 2020-Q1 | 43.4 | 37.0 | 52.5 |
| 2019-Q4 | 43.7 | 35.9 | 62.6 |
| 2019-Q3 | 41.8 | 32.0 | 53.3 |
| 2019-Q2 | 41.9 | 33.7 | 53.3 |
| 2019-Q1 | 42.1 | 35.0 | 60.7 |
| 2018-Q4 | 42.0 | 33.0 | 55.1 |
| 2018-Q3 | 46.1 | 34.7 | 66.3 |
| 2018-Q2 | 45.9 | 38.8 | 93.5 |
| 2018-Q1 | 43.7 | 35.1 | 61.0 |
| 2017-Q4 | 50.4 | 51.0 | 79.5 |
| 2017-Q3 | 48.5 | 41.7 | 75.2 |
| 2017-Q2 | 40.2 | 32.6 | 59.6 |
| 2017-Q1 | 40.7 | 34.6 | 70.5 |
| 2016-Q4 | 42.4 | 32.8 | 59.4 |
| 2016-Q3 | 41.6 | 32.4 | 60 |
| 2016-Q2 | 43.3 | 33.2 | 58.8 |
| 2016-Q1 | 39.9 | 31.6 | 61.1 |
| 2015-Q4 | 43.9 | 35.4 | 62.8 |
| 2015-Q3 | 42.2 | 32.9 | 87.2 |
| 2015-Q2 | 42.1 | 38.8 | 64.3 |
| 2015-Q1 | 41.9 | 34.5 | 59.7 |
| 2014-Q4 | 43.2 | 34.4 | 61.4 |
| 2014-Q3 | 42.8 | 33.9 | 61.9 |
| 2014-Q2 | 44.0 | 35.7 | 62.5 |
| 2014-Q1 | 42.6 | 35.8 | 59.7 |
| 2013-Q4 | 41.5 | 34.2 | 54.8 |
| 2013-Q3 | 35.4 | 30.2 | 51.7 |
| 2013-Q2 | 42.4 | 32.2 | 58.0 |
| 2013-Q1 | 44.2 | 36.2 | 60.2 |