condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0257847 0.0 0.0515694 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0481766 0.0 0.0963532 8 h after dark 0.0523015 0.0 0.104603 12 h after dark 0.0 0.0 0.0