condition mean min max 3 h after light 0.807041 0.323359 1.2654 6 h after light 0.8609386666666666 0.637679 1.28661 9 h after light 1.6682066666666666 1.27997 1.89987 12 h after light 1.337015 1.03894 1.91387 3 h after dark 1.62726 0.87609 2.17069 6 h after dark 1.2614013333333334 0.711514 1.54123 9 h after dark 0.8485713333333333 0.490097 1.3221 12 h after dark 1.4314049999999998 1.35624 1.50657