condition mean min max 0 h after light 0.218677 0.218482 0.218872 4 h after light 0.10950750000000001 0.107706 0.111309 8 h after light 0.109639 0.108077 0.111201 4 h after dark 0.161357 0.107289 0.215425 8 h after dark 0.107589 0.0 0.215178 12 h after dark 0.054547 0.0 0.109094