condition mean min max 0 h after light 0.2197595 0.0 0.439519 4 h after light 1.5284645000000001 0.894079 2.16285 8 h after light 1.3147315000000002 0.893213 1.73625 4 h after dark 1.292685 0.0 2.58537 8 h after dark 1.7338649999999998 1.30723 2.1605 12 h after dark 0.8715215000000001 0.428603 1.31444