condition mean min max 4 h after light 1.655005 1.55491 1.7551 8 h after light 5.140185000000001 4.89716 5.38321 12 h after light 5.16211 5.15575 5.16847 4 h after dark 3.27613 3.27082 3.28144 8 h after dark 2.139585 1.76588 2.51329 12 h after dark 1.672655 1.65138 1.69393