condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0099399 0.0 0.0596394 10 h after light 0.020478 0.0 0.122868 14 h after light 0.0 0.0 0.0 18 h after light 0.05387166666666667 0.0 0.32323 2 h after dark 0.018848 0.0 0.113088