condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.040489000000000004 0.0 0.121467 12 h after light 0.0 0.0 0.0 3 h after dark 0.04890233333333333 0.0 0.146707 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0