condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.02787335 0.0 0.0557467 8 h after light 0.0 0.0 0.0 12 h after light 0.03245875 0.0 0.0649175 2 h after dark 0.0318287 0.0 0.0636574 4 h after dark 0.08302445 0.0567279 0.109321 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0