condition mean min max 0 h after light 0.0344975 0.0 0.068995 2 h after light 0.01778615 0.0 0.0355723 4 h after light 0.01489655 0.0 0.0297931 8 h after light 0.0781745 0.0 0.156349 12 h after light 0.0499077 0.0357053 0.0641101 2 h after dark 0.0 0.0 0.0 4 h after dark 0.060635 0.0 0.12127 8 h after dark 0.0164839 0.0 0.0329678 12 h after dark 0.04911945 0.032444 0.0657949