condition mean min max 0 h after light 0.1071745 0.107079 0.10727 4 h after light 0.10985 0.105794 0.113906 8 h after light 0.056898 0.0 0.113796 4 h after dark 0.1053735 0.105166 0.105581 8 h after dark 0.05273 0.0 0.10546 12 h after dark 0.053468 0.0 0.106936