condition mean min max 3 h after light 0.6652148333333333 0.296536 1.06331 7 h after light 0.748106 0.45942 1.35068 11 h after light 1.1429148333333334 0.653979 1.9717 2 h after dark 1.1747299166666667 0.715458 1.67721 6 h after dark 0.85482625 0.336702 1.46095 10 h after dark 0.7179393333333334 0.311617 1.42148