condition mean min max 0 h after light 1.0349275 0.986965 1.08289 4 h after light 1.0804945 0.909869 1.25112 8 h after light 1.1553149999999999 1.14819 1.16244 4 h after dark 1.0634675 0.926815 1.20012 8 h after dark 1.2542499999999999 1.07359 1.43491 12 h after dark 1.2289599999999998 1.12645 1.33147