condition mean min max 4 h after light 0.4989985 0.41936 0.578637 8 h after light 0.4295855 0.401196 0.457975 12 h after light 0.5639460000000001 0.53432 0.593572 4 h after dark 0.38782666666666665 0.282833 0.48476 8 h after dark 0.8293303333333333 0.418861 1.17432 12 h after dark 0.477954 0.34519 0.581109