condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0263082 0.0 0.0789246 9 h after light 0.025401000000000003 0.0 0.076203 12 h after light 0.0 0.0 0.0 3 h after dark 0.064391 0.0 0.193173 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0