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 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.2192245 0.0 0.438449 4 h after dark 0.0 0.0 0.0 8 h after dark 0.110145 0.0 0.22029 12 h after dark 0.209063 0.0 0.418126