condition mean min max 0 h after light 0.068112 0.0 0.136224 2 h after light 0.071034 0.0 0.142068 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 0.0651375 0.0 0.130275 4 h after dark 0.060811 0.0 0.121622 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0