condition mean min max 0 h after light 0.9751545 0.649329 1.30098 4 h after light 1.301825 1.28041 1.32324 8 h after light 0.66098 0.0 1.32196 4 h after dark 1.2779699999999998 1.27545 1.28049 8 h after dark 1.929305 1.27902 2.57959 12 h after dark 1.289851 0.634332 1.94537