condition mean min max 0 h after light 0.02959415 0.0 0.0591883 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0321002 0.0 0.0642004 12 h after dark 0.0 0.0 0.0