condition mean min max 0 h after light 0.0761617 0.0733549 0.0789685 2 h after light 0.03674265 0.0 0.0734853 4 h after light 0.074534 0.0 0.149068 8 h after light 0.1510811 0.0757562 0.226406 12 h after light 0.1021521 0.0368372 0.167467 2 h after dark 0.184744 0.0 0.369488 4 h after dark 0.1985515 0.141007 0.256096 8 h after dark 0.1827005 0.159133 0.206268 12 h after dark 0.07680415 0.0753058 0.0783025