condition mean min max 4 h after light 0.6416845 0.604387 0.678982 8 h after light 0.3803695 0.314573 0.446166 12 h after light 0.311776 0.149494 0.474058 4 h after dark 0.229112 0.163155 0.3022 8 h after dark 0.512027 0.306887 0.691453 12 h after dark 0.7170463333333333 0.615182 0.798302