condition mean min max 2 h after light 1.3897991666666667 0.49229 2.53274 6 h after light 5.77934 2.34672 11.6647 10 h after light 6.356913333333333 2.6027 13.1406 14 h after light 11.33623 3.92211 25.4447 18 h after light 6.368220166666667 0.539311 12.3985 2 h after dark 3.4825625 0.737285 7.37524