condition mean min max 0 h after light 1.9249100000000001 1.73412 2.1157 4 h after light 0.771221 0.758534 0.783908 8 h after light 2.033765 1.5223 2.54523 4 h after dark 1.5145499999999998 1.32229 1.70681 8 h after dark 2.0924899999999997 2.08371 2.10127 12 h after dark 3.323715 3.26533 3.3821