condition mean min max 0 h after light 2.418095 2.32898 2.50721 2 h after light 1.16656 0.0 2.33312 4 h after light 1.14147 0.0 2.28294 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 1.11923 0.0 2.23846 8 h after dark 1.2631 0.0 2.5262 12 h after dark 0.0 0.0 0.0