condition mean min max 4 h after light 0.1790495 0.0 0.358099 8 h after light 0.2745895 0.259048 0.290131 12 h after light 0.33384349999999996 0.313345 0.354342 4 h after dark 0.6770125 0.516187 0.837838 8 h after dark 0.642589 0.362146 0.923032 12 h after dark 0.2305145 0.203732 0.257297