condition mean min max 0 h after light 10.188490000000002 9.33228 11.0447 4 h after light 2.8178099999999997 2.6473 2.98832 8 h after light 2.271375 1.92093 2.62182 4 h after dark 3.53539 3.40794 3.66284 8 h after dark 4.19727 4.08958 4.30496 12 h after dark 6.75545 4.97558 8.53532