condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 1.988237 0.0 11.1381 10 h after light 0.033212 0.0 0.199272 14 h after light 0.0 0.0 0.0 18 h after light 0.22993433333333335 0.0 1.1623 2 h after dark 0.0 0.0 0.0