condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.56749825 0.0 1.21196 3 h after dark 0.0 0.0 0.0 6 h after dark 0.3188933333333333 0.0 0.95668 9 h after dark 0.0 0.0 0.0 12 h after dark 0.5888340000000001 0.515549 0.662119