condition mean min max 2 h after light 0.36553083333333336 0.133773 0.803807 6 h after light 0.38583233333333333 0.144257 0.581607 10 h after light 0.31554645 0.0666447 0.61535 14 h after light 0.3310017 0.0 0.702773 18 h after light 0.3910383333333333 0.241594 0.580003 2 h after dark 0.33795200000000003 0.119274 0.538325