condition mean min max 3 h after light 0.32510433333333333 0.0 0.975313 6 h after light 0.170534 0.0 0.511602 9 h after light 0.329735 0.0 0.806223 12 h after light 0.37874 0.0 0.582192 3 h after dark 0.18963033333333335 0.0 0.294671 6 h after dark 0.6322856666666666 0.209832 1.40461 9 h after dark 0.0 0.0 0.0 12 h after dark 0.368649 0.0 0.874521