condition mean min max 3 h after light 1.2712 1.15145 1.33426 6 h after light 0.575464 0.174972 1.16025 9 h after light 0.567086 0.367647 0.750977 12 h after light 0.30212 0.126322 0.426056 3 h after dark 0.06407823333333333 0.0 0.125048 6 h after dark 0.042928 0.0 0.128784 9 h after dark 0.08897 0.0 0.163929 12 h after dark 0.044310333333333334 0.0 0.132931