condition mean min max 4 h after light 5.945133333333334 3.26345 8.16716 8 h after light 5.13772 1.84439 6.87591 12 h after light 6.387753333333333 4.05828 9.65853 4 h after dark 7.1021399999999995 5.36341 8.23909 8 h after dark 5.98186 5.57043 6.34818 12 h after dark 6.22111 5.0316 6.83472