condition mean min max 0 h after light 0.01626025 0.0 0.0325205 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0156282 0.0 0.0312564 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0