condition mean min max 3 h after light 3.4111866666666666 1.53889 6.04474 6 h after light 9.035443333333333 5.47061 13.2246 9 h after light 9.79552 8.12862 12.8668 12 h after light 8.5149775 5.31449 10.4604 3 h after dark 9.06466 6.47329 11.9513 6 h after dark 6.7447566666666665 4.09698 8.81898 9 h after dark 4.027216666666667 2.5749 6.21889 12 h after dark 5.40148 2.83553 7.96743