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 0.4675405 0.0 0.935081 12 h after light 0.454692 0.0 0.909384 2 h after dark 0.80046 0.0 1.60092 4 h after dark 1.516985 1.29347 1.7405 8 h after dark 1.0002625 0.982115 1.01841 12 h after dark 0.0 0.0 0.0