condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.6302063333333333 0.212491 1.0107 4 h after dark 1.3485453333333333 0.372586 2.8367 8 h after dark 0.0 0.0 0.0 12 h after dark 0.10442566666666668 0.0 0.313277