condition mean min max 0 h after light 1.795945 1.49409 2.0978 4 h after light 1.717025 1.21504 2.21901 8 h after light 1.79004 1.34511 2.23497 4 h after dark 2.579475 2.15869 3.00026 8 h after dark 3.2870600000000003 2.58171 3.99241 12 h after dark 2.9121699999999997 2.78131 3.04303