condition mean min max 4 h after light 0.7063065 0.660542 0.752071 8 h after light 0.252405 0.0 0.50481 12 h after light 1.2989245 0.659439 1.93841 4 h after dark 1.13136 0.0 2.15321 8 h after dark 1.26641 1.12377 1.53883 12 h after dark 1.6643833333333333 0.0 3.33682