condition mean min max 4 h after light 0.371048 0.0 0.742096 8 h after light 1.488875 1.30175 1.676 12 h after light 1.989245 0.0 3.97849 4 h after dark 0.8293293333333333 0.0 1.5592 8 h after dark 1.26868 0.0 2.09843 12 h after dark 2.3703493333333334 0.573498 4.40513