condition mean min max 4 h after light 3.530799333333333 3.358015 3.821563 8 h after light 2.5330516666666667 1.7432029999999998 2.931173 12 h after light 1.626121 1.4582549999999999 1.80115 16 h after light 3.4636346666666666 2.965823 4.00893 4 h after dark 2.759997 2.481407 3.251831 8 h after dark 1.7567256666666669 1.6943380000000001 1.8023740000000001