condition mean min max 3 h after light 0.054107333333333334 0.0 0.162322 6 h after light 0.04552899999999999 0.0 0.136587 9 h after light 0.048507 0.0 0.145521 12 h after light 0.0 0.0 0.0 3 h after dark 0.055717666666666665 0.0 0.167153 6 h after dark 0.0 0.0 0.0 9 h after dark 0.040931 0.0 0.122793 12 h after dark 0.0 0.0 0.0