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 0.3234755 0.0 0.646951 12 h after light 0.56674 0.0 1.13348 2 h after dark 0.7747605 0.693162 0.856359 4 h after dark 0.941375 0.0 1.88275 8 h after dark 0.0 0.0 0.0 12 h after dark 0.359567 0.0 0.719134