condition mean min max 0 h after light 0.0726695 0.0 0.145339 2 h after light 0.0 0.0 0.0 4 h after light 0.0526525 0.0 0.105305 8 h after light 0.0 0.0 0.0 12 h after light 0.084608 0.0 0.169216 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0