condition mean min max 4 h after light 3.3121533333333333 3.237294 3.410278 8 h after light 2.428353 1.4077950000000001 3.171797 12 h after light 1.6459253333333332 1.429714 1.805682 16 h after light 3.2758523333333334 2.899938 3.712111 4 h after dark 2.5594873333333332 2.023708 3.035447 8 h after dark 1.62198 1.522131 1.731211