condition mean min max 4 h after light 0.8490175 0.685275 1.01276 8 h after light 0.563574 0.479918 0.64723 12 h after light 0.4587908 0.0885756 0.829006 4 h after dark 1.3595913333333334 0.587911 2.50707 8 h after dark 0.681276 0.5621 0.820478 12 h after dark 0.35400966666666667 0.0 0.551573