condition mean min max 0 h after light 1.520845 1.0184 2.02329 4 h after light 1.83792 1.61793 2.05791 8 h after light 0.9804970000000001 0.899464 1.06153 4 h after dark 1.833765 1.05378 2.61375 8 h after dark 2.0293900000000002 1.86482 2.19396 12 h after dark 2.465675 2.15801 2.77334