condition mean min max 3 h after light 1.0623233333333333 1.02334 1.12154 6 h after light 0.537693 0.516656 0.555683 9 h after light 0.362733 0.183483 0.49884 12 h after light 0.9136477500000001 0.343861 1.14609 3 h after dark 0.5461073333333333 0.210758 0.795322 6 h after dark 1.1843143333333335 0.182073 2.11093 9 h after dark 1.2879926666666668 0.817338 1.70309 12 h after dark 1.4498305 0.812551 2.08711