condition mean min max 0 h after light 0.742815 0.495799 0.989831 4 h after light 0.49612100000000003 0.48796 0.504282 8 h after light 0.986362 0.503794 1.46893 4 h after dark 1.707005 0.48607 2.92794 8 h after dark 1.46845 1.46229 1.47461 12 h after dark 2.6699305 0.988501 4.35136