condition mean min max 4 h after light 2.9479496666666667 2.8570290000000003 3.051098 8 h after light 2.2450193333333335 1.615062 2.571212 12 h after light 2.0598733333333334 1.349852 2.4979430000000002 16 h after light 4.920412000000001 2.461305 8.919732000000002 4 h after dark 2.553676 2.152523 2.76539 8 h after dark 1.5450833333333334 1.514665 1.5947870000000002