condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02633355 0.0 0.0526671 12 h after light 0.027734750000000002 0.0170652 0.0384043 4 h after dark 0.030661066666666667 0.0 0.0464562 8 h after dark 0.0 0.0 0.0 12 h after dark 0.014768533333333332 0.0 0.0330807