condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.232278 0.0 0.464556 12 h after light 0.0 0.0 0.0 2 h after dark 0.251755 0.0 0.50351 4 h after dark 0.0 0.0 0.0 8 h after dark 0.2529785 0.0 0.505957 12 h after dark 0.0 0.0 0.0