data
| Date | LV10日 | LV10夜 | LVmax |
|---|---|---|---|
| dB | dB | dB | |
| 2021-Q4 | 38.7 | 30.4 | 55.8 |
| 2021-Q3 | 38.7 | 30.2 | 61.3 |
| 2021-Q2 | 39.4 | 30.3 | 81.8 |
| 2021-Q1 | 39.0 | 30.6 | 76.7 |
| 2020-Q4 | 39.7 | 30.4 | 64.9 |
| 2020-Q3 | 39.0 | 30.1 | 72.1 |
| 2020-Q2 | 38.4 | 30.1 | 56.1 |
| 2020-Q1 | 38.5 | 30.3 | 70.8 |
| 2019-Q4 | 38.2 | 30.2 | 57.7 |
| 2019-Q3 | 46.7 | 34.3 | 67.8 |
| 2019-Q2 | 37.5 | 30.2 | 57.5 |
| 2019-Q1 | 37.3 | 30.0 | 62.3 |
| 2018-Q4 | 38.5 | 30.3 | 60.1 |
| 2018-Q3 | 37.9 | 30.2 | 60.2 |
| 2018-Q2 | 44.8 | 38.5 | 67.2 |
| 2018-Q1 | 44.5 | 34.3 | 64.4 |
| 2017-Q4 | 44.7 | 35.1 | 79.0 |
| 2017-Q3 | 44.1 | 31.4 | 73.2 |
| 2017-Q2 | 42.8 | 31.3 | 57.8 |
| 2017-Q1 | 42.9 | 32.4 | 69.3 |
| 2016-Q4 | 43.2 | 32.3 | 82.3 |
| 2016-Q3 | 42.8 | 32.5 | 62.3 |
| 2016-Q2 | 40.1 | 32.2 | 68.5 |
| 2016-Q1 | 48.7 | 35.3 | 82.2 |
| 2015-Q4 | 44.1 | 33.6 | 65.2 |
| 2015-Q3 | 41.3 | 31.0 | 68.1 |
| 2015-Q2 | 47.0 | 37.3 | 64.8 |
| 2015-Q1 | 34.4 | 30.0 | 69.6 |
| 2014-Q4 | 48.0 | 35.7 | 64.2 |
| 2014-Q3 | 48.9 | 36.2 | 64.8 |
| 2014-Q2 | 47.7 | 34.9 | 65.0 |
| 2014-Q1 | 49.1 | 37.3 | 66.0 |
| 2013-Q4 | 42.8 | 33.2 | 59.5 |
| 2013-Q4 | 42.8 | 33.2 | 59.5 |
| 2013-Q3 | 42.6 | 32.5 | 63.9 |
| 2013-Q2 | 45.6 | 35.5 | 61.2 |
| 2013-Q1 | 42.1 | 32.8 | 59.2 |