condition mean min max 0 h after light 0.3070265 0.0 0.614053 2 h after light 0.1714485 0.0 0.342897 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 0.158439 0.0 0.316878 4 h after dark 0.1442335 0.0 0.288467 8 h after dark 0.3242815 0.0 0.648563 12 h after dark 0.1568285 0.0 0.313657