condition mean min max 0 h after light 0.296166 0.264605 0.327727 2 h after light 1.034466 0.919852 1.14908 4 h after light 0.5768675 0.321248 0.832487 8 h after light 0.8445315 0.842926 0.846137 12 h after light 1.049255 1.02876 1.06975 2 h after dark 1.527635 1.28392 1.77135 4 h after dark 1.197585 0.89898 1.49619 8 h after dark 0.5414295 0.460771 0.622088 12 h after dark 0.3835185 0.262373 0.504664