condition mean min max 4 h after light 0.673655 0.0 1.34731 8 h after light 1.3693615000000001 0.545793 2.19293 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.7384005 0.291971 1.18483 12 h after dark 1.1043475 0.484025 1.72467