condition mean min max 4 h after light 0.0316969 0.0 0.0950907 8 h after light 0.05809743333333333 0.0366696 0.0986204 12 h after light 0.121889 0.0 0.194454 4 h after dark 0.0159297 0.0 0.0477891 8 h after dark 0.08365399999999999 0.0 0.179303 12 h after dark 0.10836966666666667 0.0 0.241092