condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 1.6021293333333333 0.901748 2.83236 4 h after dark 1.3566466666666668 0.79057 1.77461 8 h after dark 0.0 0.0 0.0 12 h after dark 0.7413686666666667 0.0 1.55938