condition mean min max 3 h after light 0.39237500000000003 0.245437 0.501712 6 h after light 0.626644 0.389137 0.978236 9 h after light 2.3407633333333333 1.79887 2.73642 12 h after light 3.17813775 0.951981 4.3808 3 h after dark 3.2781166666666666 2.91491 3.76338 6 h after dark 2.0756733333333335 1.47053 2.48631 9 h after dark 0.9319386666666667 0.906253 0.948696 12 h after dark 0.615456 0.548091 0.682821